diff --git a/source/uCEFApplicationCore.pas b/source/uCEFApplicationCore.pas
index 102ed618..0127f48b 100644
--- a/source/uCEFApplicationCore.pas
+++ b/source/uCEFApplicationCore.pas
@@ -677,7 +677,7 @@ begin
   FDeleteCache                       := False;
   FDeleteCookies                     := False;
   FEnableMediaStream                 := True;
-  FEnableSpeechInput                 := True;
+  FEnableSpeechInput                 := False;
   FUseFakeUIForMediaStream           := False;
   FEnableUsermediaScreenCapturing    := False;
   FEnableGPU                         := False;
@@ -1887,7 +1887,9 @@ var
   TempFormatSettings : TFormatSettings;
 begin
   ReplaceSwitch(aKeys, aValues, '--enable-media-stream', IntToStr(Ord(FEnableMediaStream)));
-  ReplaceSwitch(aKeys, aValues, '--enable-speech-input', IntToStr(Ord(FEnableSpeechInput)));
+
+  if FEnableSpeechInput then
+    ReplaceSwitch(aKeys, aValues, '--enable-speech-input');
 
   if FUseFakeUIForMediaStream then
     ReplaceSwitch(aKeys, aValues, '--use-fake-ui-for-media-stream');
diff --git a/update_CEF4Delphi.json b/update_CEF4Delphi.json
index 18406ae6..7c93f577 100644
--- a/update_CEF4Delphi.json
+++ b/update_CEF4Delphi.json
@@ -2,7 +2,7 @@
   "UpdateLazPackages" : [
     {
       "ForceNotify" : true,
-      "InternalVersion" : 238,
+      "InternalVersion" : 239,
       "Name" : "cef4delphi_lazarus.lpk",
       "Version" : "88.1.4.0"
     }