diff --git a/ext/win-installer/Installer/Installer.nsi b/ext/win-installer/Installer/Installer.nsi
index 518981f5..2fb18408 100644
--- a/ext/win-installer/Installer/Installer.nsi
+++ b/ext/win-installer/Installer/Installer.nsi
@@ -149,7 +149,7 @@ FunctionEnd
 
 ;Uninstaller section
 Section "Uninstall"
-	ExecWait TaskKill /F /FI "WindowTitle eq IP *"
+	ExecWait 'TaskKill /F /FI "WindowTitle eq IP *"'
 	RMDir /r "$INSTDIR"
 	Delete "$SMPROGRAMS\${ApplicationName}.lnk"