diff --git a/deploy/installer/gui/installscript.qs b/deploy/installer/gui/installscript.qs
index 4e964214..35ea390a 100644
--- a/deploy/installer/gui/installscript.qs
+++ b/deploy/installer/gui/installscript.qs
@@ -32,9 +32,10 @@ Component.prototype.createOperations = function()
                 component.addElevatedOperation("Execute","echo do nothing","UNDOEXECUTE","cmd /C reg delete HKEY_CURRENT_USER\Software\nheko\nheko\font /f");
                 component.addElevatedOperation("Execute","echo do nothing","UNDOEXECUTE","cmd /C reg delete HKEY_CURRENT_USER\Software\nheko\nheko\notifications /f");
                 component.addElevatedOperation("Execute","echo do nothing","UNDOEXECUTE","cmd /C reg delete HKEY_CURRENT_USER\Software\nheko\nheko\window /f");
-                if( installer.environmentVariable("LOCALAPPDATA") != "" )
+                var localappdata = installer.environmentVariable("LOCALAPPDATA");
+                if( localappdata != "" )
                 {
-                    component.addElevatedOperation("Execute","echo do nothing","UNDOEXECUTE","cmd /C rmdir "%LOCALAPPDATA%\nheko" /f");
+                    component.addElevatedOperation("Execute","echo do nothing","UNDOEXECUTE","cmd /C rmdir " localappdata + "\nheko /f");
                 }
             }
         }