diff --git a/win/win32/vs2017/afterdlb.proj b/win/win32/vs2017/afterdlb.proj
index fd78ff29f..807fdf7c7 100644
--- a/win/win32/vs2017/afterdlb.proj
+++ b/win/win32/vs2017/afterdlb.proj
@@ -7,7 +7,7 @@
 
  	<Copy SourceFiles="$(SysWinntDir)porthelp" DestinationFolder="$(DatDir)"/>
 	<WriteLinesToFile File="$(DatDir)dlb.lst" Lines="@(DlbList->'%(filename)%(extension)')" Overwrite="true"/>
-	<Exec Command="$(ToolsDir)dlb.exe cIf $(DatDir)dlb.lst $(BinDir)nhdat" WorkingDirectory="$(DatDir)"/>
+	<Exec Command="&quot;$(ToolsDir)dlb.exe&quot; cIf dlb.lst &quot;$(BinDir)nhdat&quot;" WorkingDirectory="$(DatDir)"/>
 	<Delete Files="$(DatDir)porthelp"/>
 
 	</Target>
diff --git a/win/win32/vs2017/aftermakedefs.proj b/win/win32/vs2017/aftermakedefs.proj
index 52af2a8be..af5fd489c 100644
--- a/win/win32/vs2017/aftermakedefs.proj
+++ b/win/win32/vs2017/aftermakedefs.proj
@@ -4,14 +4,14 @@
   <Target Name="Build"
      Inputs="$(ToolsDir)makedefs.exe"
 	 Outputs="@(Defs)">
-	<Exec Command="$(ToolsDir)makedefs.exe -v" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -o" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -p" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -z" WorkingDirectory="$(UtilDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -d" WorkingDirectory="$(DatDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -r" WorkingDirectory="$(DatDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -s" WorkingDirectory="$(DatDir)"/>
-	<Exec Command="$(ToolsDir)makedefs.exe -h" WorkingDirectory="$(DatDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -v" WorkingDirectory="$(UtilDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -o" WorkingDirectory="$(UtilDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -p" WorkingDirectory="$(UtilDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -z" WorkingDirectory="$(UtilDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -d" WorkingDirectory="$(DatDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -r" WorkingDirectory="$(DatDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -s" WorkingDirectory="$(DatDir)"/>
+	<Exec Command="&quot;$(ToolsDir)makedefs.exe&quot; -h" WorkingDirectory="$(DatDir)"/>
   </Target>
   <Target Name="Clean">
 	<Delete Files="@(Defs)"/>
diff --git a/win/win32/vs2017/aftertile2bmp.proj b/win/win32/vs2017/aftertile2bmp.proj
index 44e031223..5fd6d13b0 100644
--- a/win/win32/vs2017/aftertile2bmp.proj
+++ b/win/win32/vs2017/aftertile2bmp.proj
@@ -4,7 +4,7 @@
   <Target Name="Build"
      Inputs="$(ToolsDir)tile2bmp.exe;$(WinShareDir)monsters.txt;$(WinShareDir)objects.txt"
 	 Outputs="$(WinWin32Dir)tiles.bmp">
-	<Exec Command="$(ToolsDir)tile2bmp.exe tiles.bmp" WorkingDirectory="$(SrcDir)"/>
+	<Exec Command="&quot;$(ToolsDir)tile2bmp.exe&quot; tiles.bmp" WorkingDirectory="$(SrcDir)"/>
 	<Move SourceFiles="$(SrcDir)tiles.bmp" DestinationFolder="$(WinWin32Dir)"/>
   </Target>
   <Target Name="Clean">
diff --git a/win/win32/vs2017/aftertilemap.proj b/win/win32/vs2017/aftertilemap.proj
index d68eabab9..e576f8b89 100644
--- a/win/win32/vs2017/aftertilemap.proj
+++ b/win/win32/vs2017/aftertilemap.proj
@@ -4,7 +4,7 @@
   <Target Name="Build"
      Inputs="$(ToolsDir)tilemap.exe"
 	 Outputs="$(SrcDir)tile.c">
-	<Exec Command="$(ToolsDir)tilemap.exe" WorkingDirectory="$(SrcDir)"/>
+	<Exec Command="&quot;$(ToolsDir)tilemap.exe&quot;" WorkingDirectory="$(SrcDir)"/>
   </Target>
   <Target Name="Clean">
 	<Delete Files="$(SrcDir)tile.c"/>
diff --git a/win/win32/vs2017/afteruudecode.proj b/win/win32/vs2017/afteruudecode.proj
index fd0370be4..7f81188ae 100644
--- a/win/win32/vs2017/afteruudecode.proj
+++ b/win/win32/vs2017/afteruudecode.proj
@@ -4,15 +4,15 @@
   <Target Name="Build"
      Inputs="$(ToolsDir)uudecode.exe;@(UUFiles)"
 	 Outputs="@(IconFiles);@(BmpFiles);@(RecordFiles)">
-	<Exec Command="$(ToolsDir)uudecode.exe $(SysWinntDir)nhico.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)mnsel.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)mnselcnt.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)mnunsel.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)petmark.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)pilemark.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)splash.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)rip.uu" WorkingDirectory="$(WinWin32Dir)"/>
-	<Exec Command="$(ToolsDir)uudecode.exe $(WinWin32Dir)record.uu" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(SysWinntDir)nhico.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)mnsel.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)mnselcnt.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)mnunsel.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)petmark.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)pilemark.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)splash.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)rip.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
+	<Exec Command="&quot;$(ToolsDir)uudecode.exe&quot; &quot;$(WinWin32Dir)record.uu&quot;" WorkingDirectory="$(WinWin32Dir)"/>
   </Target>
   <Target Name="Clean">
 	<Delete Files="@(IconFiles);@(BmpFiles);@(RecordFiles)"/>