diff --git a/applications/json_packager/jsonpackage.lps b/applications/json_packager/jsonpackage.lps
index 141281f48..d47066624 100644
--- a/applications/json_packager/jsonpackage.lps
+++ b/applications/json_packager/jsonpackage.lps
@@ -3,14 +3,14 @@
   <ProjectSession>
     <PathDelim Value="\"/>
     <Version Value="10"/>
-    <BuildModes Active="Win32"/>
+    <BuildModes Active="Win64"/>
     <Units Count="47">
       <Unit0>
         <Filename Value="jsonpackage.lpr"/>
         <IsPartOfProject Value="True"/>
         <EditorIndex Value="3"/>
         <CursorPos X="15" Y="19"/>
-        <UsageCount Value="157"/>
+        <UsageCount Value="158"/>
         <Loaded Value="True"/>
       </Unit0>
       <Unit1>
@@ -20,8 +20,8 @@
         <HasResources Value="True"/>
         <ResourceBaseClass Value="Form"/>
         <IsVisibleTab Value="True"/>
-        <TopLine Value="49"/>
-        <CursorPos X="41" Y="56"/>
+        <TopLine Value="709"/>
+        <CursorPos X="19" Y="732"/>
         <ExtraEditorCount Value="1"/>
         <ExtraEditor1>
           <IsVisibleTab Value="True"/>
@@ -30,11 +30,11 @@
           <TopLine Value="390"/>
           <CursorPos X="44" Y="396"/>
         </ExtraEditor1>
-        <UsageCount Value="157"/>
+        <UsageCount Value="158"/>
         <Bookmarks Count="3">
-          <Item0 Y="835" ID="1"/>
-          <Item1 Y="781"/>
-          <Item2 Y="650" ID="2"/>
+          <Item0 Y="847" ID="1"/>
+          <Item1 Y="793"/>
+          <Item2 Y="652" ID="2"/>
         </Bookmarks>
         <Loaded Value="True"/>
         <LoadedDesigner Value="True"/>
@@ -42,7 +42,7 @@
       <Unit2>
         <Filename Value="ugenericcollection.pas"/>
         <IsPartOfProject Value="True"/>
-        <UsageCount Value="157"/>
+        <UsageCount Value="158"/>
       </Unit2>
       <Unit3>
         <Filename Value="C:\NewPascal\projects\MDSUM\CryptINI\lockini.pas"/>
@@ -50,7 +50,7 @@
         <UnitName Value="LockIni"/>
         <EditorIndex Value="-1"/>
         <CursorPos X="40" Y="9"/>
-        <UsageCount Value="75"/>
+        <UsageCount Value="76"/>
       </Unit3>
       <Unit4>
         <Filename Value="D:\Lazarusprojects\golfml\egacalculator\source\umainform.pas"/>
@@ -374,123 +374,123 @@
     <JumpHistory Count="30" HistoryIndex="29">
       <Position1>
         <Filename Value="umain.pas"/>
-        <Caret Line="454" TopLine="436"/>
+        <Caret Line="919" Column="40" TopLine="910"/>
       </Position1>
       <Position2>
         <Filename Value="umain.pas"/>
-        <Caret Line="70" Column="54" TopLine="43"/>
+        <Caret Line="850" Column="25" TopLine="824"/>
       </Position2>
       <Position3>
         <Filename Value="umain.pas"/>
-        <Caret Line="909" TopLine="906"/>
+        <Caret Line="844" Column="42" TopLine="825"/>
       </Position3>
       <Position4>
         <Filename Value="umain.pas"/>
-        <Caret Line="846" Column="11" TopLine="827"/>
+        <Caret Line="852" TopLine="833"/>
       </Position4>
       <Position5>
         <Filename Value="umain.pas"/>
-        <Caret Line="919" Column="40" TopLine="910"/>
+        <Caret Line="1165" Column="49" TopLine="1153"/>
       </Position5>
       <Position6>
         <Filename Value="umain.pas"/>
-        <Caret Line="850" Column="25" TopLine="824"/>
+        <Caret Line="1113" Column="8" TopLine="1112"/>
       </Position6>
       <Position7>
         <Filename Value="umain.pas"/>
-        <Caret Line="844" Column="42" TopLine="825"/>
+        <Caret Line="850" TopLine="817"/>
       </Position7>
       <Position8>
         <Filename Value="umain.pas"/>
-        <Caret Line="852" TopLine="833"/>
+        <Caret Line="458" Column="25" TopLine="451"/>
       </Position8>
       <Position9>
         <Filename Value="umain.pas"/>
-        <Caret Line="1165" Column="49" TopLine="1153"/>
+        <Caret Line="53" Column="42" TopLine="40"/>
       </Position9>
       <Position10>
         <Filename Value="umain.pas"/>
-        <Caret Line="1113" Column="8" TopLine="1112"/>
+        <Caret Line="255" Column="12" TopLine="234"/>
       </Position10>
       <Position11>
         <Filename Value="umain.pas"/>
-        <Caret Line="850" TopLine="817"/>
+        <Caret Line="900" Column="3" TopLine="898"/>
       </Position11>
       <Position12>
         <Filename Value="umain.pas"/>
-        <Caret Line="458" Column="25" TopLine="451"/>
+        <Caret Line="1124" TopLine="1104"/>
       </Position12>
       <Position13>
         <Filename Value="umain.pas"/>
-        <Caret Line="53" Column="42" TopLine="40"/>
+        <Caret Line="839" Column="9" TopLine="831"/>
       </Position13>
       <Position14>
         <Filename Value="umain.pas"/>
-        <Caret Line="255" Column="12" TopLine="234"/>
+        <Caret Line="580" Column="39" TopLine="566"/>
       </Position14>
       <Position15>
         <Filename Value="umain.pas"/>
-        <Caret Line="900" Column="3" TopLine="898"/>
+        <Caret Line="255" Column="17" TopLine="254"/>
       </Position15>
       <Position16>
         <Filename Value="umain.pas"/>
-        <Caret Line="1124" TopLine="1104"/>
+        <Caret Line="480" Column="67" TopLine="471"/>
       </Position16>
       <Position17>
         <Filename Value="umain.pas"/>
-        <Caret Line="839" Column="9" TopLine="831"/>
+        <Caret Line="647" Column="23" TopLine="629"/>
       </Position17>
       <Position18>
         <Filename Value="umain.pas"/>
-        <Caret Line="580" Column="39" TopLine="566"/>
+        <Caret Line="1090" Column="18" TopLine="1065"/>
       </Position18>
       <Position19>
         <Filename Value="umain.pas"/>
-        <Caret Line="255" Column="17" TopLine="254"/>
+        <Caret Line="697" Column="69" TopLine="683"/>
       </Position19>
       <Position20>
         <Filename Value="umain.pas"/>
-        <Caret Line="480" Column="67" TopLine="471"/>
+        <Caret Line="695" Column="9" TopLine="675"/>
       </Position20>
       <Position21>
         <Filename Value="umain.pas"/>
-        <Caret Line="647" Column="23" TopLine="629"/>
+        <Caret Line="5" Column="23"/>
       </Position21>
       <Position22>
         <Filename Value="umain.pas"/>
-        <Caret Line="1090" Column="18" TopLine="1065"/>
+        <Caret Line="274" Column="17" TopLine="242"/>
       </Position22>
       <Position23>
         <Filename Value="umain.pas"/>
-        <Caret Line="697" Column="69" TopLine="683"/>
+        <Caret Line="1133" Column="30" TopLine="1120"/>
       </Position23>
       <Position24>
         <Filename Value="umain.pas"/>
-        <Caret Line="695" Column="9" TopLine="675"/>
+        <Caret Line="1060" Column="50" TopLine="1022"/>
       </Position24>
       <Position25>
         <Filename Value="umain.pas"/>
-        <Caret Line="5" Column="23"/>
+        <Caret Line="951"/>
       </Position25>
       <Position26>
         <Filename Value="umain.pas"/>
-        <Caret Line="274" Column="17" TopLine="242"/>
+        <Caret Line="1100" Column="79" TopLine="1070"/>
       </Position26>
       <Position27>
         <Filename Value="umain.pas"/>
-        <Caret Line="1133" Column="30" TopLine="1120"/>
+        <Caret Line="59" Column="47" TopLine="49"/>
       </Position27>
       <Position28>
         <Filename Value="umain.pas"/>
-        <Caret Line="1060" Column="50" TopLine="1022"/>
+        <Caret Line="730" Column="31" TopLine="726"/>
       </Position28>
       <Position29>
         <Filename Value="umain.pas"/>
-        <Caret Line="951"/>
+        <Caret Line="733" Column="8" TopLine="711"/>
       </Position29>
       <Position30>
         <Filename Value="umain.pas"/>
-        <Caret Line="1100" Column="79" TopLine="1070"/>
+        <Caret Line="732" Column="31" TopLine="712"/>
       </Position30>
     </JumpHistory>
   </ProjectSession>
diff --git a/applications/json_packager/umain.lfm b/applications/json_packager/umain.lfm
index eb26f5b52..149ee6b23 100644
--- a/applications/json_packager/umain.lfm
+++ b/applications/json_packager/umain.lfm
@@ -197,6 +197,7 @@ object frmMain: TfrmMain
     AutoSize = False
     BorderSpacing.Right = 10
     Caption = 'Disable in OPM'
+    OnMouseUp = chk_DisableInOPMMouseUp
     TabOrder = 6
   end
   object sbPackageFiles: TScrollBox
diff --git a/applications/json_packager/umain.pas b/applications/json_packager/umain.pas
index 1a7de227d..d2f08064a 100644
--- a/applications/json_packager/umain.pas
+++ b/applications/json_packager/umain.pas
@@ -165,6 +165,8 @@ type
     sb_editName: TSpeedButton;
     sbPackageFiles: TScrollBox;
     spd_CheckURL: TSpeedButton;
+    procedure chk_DisableInOPMMouseUp(Sender: TObject; Button: TMouseButton;
+      Shift: TShiftState; X, Y: Integer);
     procedure cmd_AddPackageFileClick(Sender: TObject);
     procedure cmd_RemoveLastPackageFileClick(Sender: TObject);
     procedure FormCloseQuery(Sender: TObject; var CanClose: boolean);
@@ -721,6 +723,16 @@ begin
   AddPackageFileToList;
 end;
 
+procedure TfrmMain.chk_DisableInOPMMouseUp(Sender: TObject;
+  Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
+begin
+  If chk_DisableInOPM.Checked=TRUE then
+     If MessageDlg('This will disable your package in OnlinePackageManager!' + LineEnding +
+     'Are you SURE you want to do this?',
+     mtWarning,[MBYES,MBNO],0,MBNO) = mrNo then
+       chk_DisableInOPM.Checked:=FALSE;
+end;
+
 procedure TfrmMain.cmd_RemoveLastPackageFileClick(Sender: TObject);
 begin
   RemovePackageFileFromList;