diff --git a/install.ins b/install.ins
index 4a9e5c0..240e570 100644
--- a/install.ins
+++ b/install.ins
@@ -16,17 +16,17 @@ Sub_HandleExitCode
 
 [Sub_GetProperties]
 Set $Version$ = GetValue("productversion", GetProductMap)
-Set $CreateContextMenuEntry$ = GetProductProperty("contextmenuentry", False)
-Set $DesktopShortcutArgument$ = GetProductProperty("desktopshortcut", False)
+Set $CreateContextMenuEntry$ = GetProductProperty("contextmenuentry", "false")
+Set $DesktopShortcutArgument$ = GetProductProperty("desktopshortcut", "false")
 
 [Sub_ConfigureProperties]
-if ($CreateContextMenuEntry$ = "True")
+if ($CreateContextMenuEntry$ = "true")
   Set $ContextMenuArguments$ = ", !addcontextmenufiles, !addcontextmenufolders"
 else
   Set $ContextMenuArguments$ = ""
 endif
 
-if ($CreateDesktopShortcut$ = "True")
+if ($CreateDesktopShortcut$ = "true")
   Set $DesktopShortcutArgument$ = ", !desktopicon"
 else
   Set $DesktopShortcutArgument$ = ""