diff --git a/webui.bat b/webui.bat
index e6a7a429f..3165b94d2 100644
--- a/webui.bat
+++ b/webui.bat
@@ -1,7 +1,7 @@
 @echo off
 
 if not defined PYTHON (set PYTHON=python)
-if not defined VENV_DIR (set VENV_DIR=%~dp0%venv)
+if not defined VENV_DIR (set "VENV_DIR=%~dp0%venv")
 
 set ERROR_REPORTING=FALSE