diff --git a/AI/VCAI/VCAI.cpp b/AI/VCAI/VCAI.cpp
index 54b4408c9..087d1a997 100644
--- a/AI/VCAI/VCAI.cpp
+++ b/AI/VCAI/VCAI.cpp
@@ -1287,7 +1287,7 @@ void VCAI::buildStructure(const CGTownInstance * t)
 	//try to upgrade dwelling
 	for(int i = 0; i < ARRAY_COUNT(unitsUpgrade); i++)
 	{
-		if (t->hasBuilt(unitsSource[i]))
+		if (t->hasBuilt(unitsSource[i]) && !t->hasBuilt(unitsUpgrade[i]))
 		{
 			if (tryBuildStructure(t, unitsUpgrade[i]))
 				return;
@@ -3133,8 +3133,9 @@ TSubgoal CGoal::whatToDoToAchieve()
 				boost::sort(objs, isCloser);
 				BOOST_FOREACH(const CGObjectInstance *obj, objs)
 				{ //find safe dwelling
-					if (isSafeToVisit(hero, obj->visitablePos())) //TODO: make use of multiple heroes
-						return CGoal(VISIT_TILE).sethero(hero).settile(obj->visitablePos());
+					auto pos = obj->visitablePos();
+					if (isSafeToVisit(hero, pos) && ai->isAccessibleForHero(pos, hero)) //TODO: make use of multiple heroes
+						return CGoal(VISIT_TILE).sethero(hero).settile(pos);
 				}
 			}
 
diff --git a/Scripting/ERM/ERM.vcxproj b/Scripting/ERM/ERM.vcxproj
index 0d7184acc..172f6a34f 100644
--- a/Scripting/ERM/ERM.vcxproj
+++ b/Scripting/ERM/ERM.vcxproj
@@ -76,7 +76,7 @@
     <LibraryPath>$(LibraryPath)</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='RD|Win32'">
-    <OutDir>$(SolutionDir)$(Configuration)\bin\Scripting\</OutDir>
+    <OutDir>..\..\..\RD\Scripting</OutDir>
     <IncludePath>$(IncludePath)</IncludePath>
     <LibraryPath>$(LibraryPath)</LibraryPath>
   </PropertyGroup>
@@ -98,7 +98,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalLibraryDirectories>../../../libs; ../../;</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>G:\Programowanie\VCMI;../../../libs;../..;../../../;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <AdditionalDependencies>VCMI_lib.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
@@ -115,7 +115,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalLibraryDirectories>../../../libs; ../../;</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>G:\Programowanie\VCMI\libs;G:\Programowanie\VCMI\RD</AdditionalLibraryDirectories>
       <AdditionalDependencies>VCMI_lib.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>