diff --git a/win32/configure.bat b/win32/configure.bat
index 2ca7c6bdcb..573f8bf0e5 100755
--- a/win32/configure.bat
+++ b/win32/configure.bat
@@ -55,7 +55,7 @@ if "%1" == "--help" goto :help
   if "%opt:~0,1%" == "-" (
     echo>>confargs.tmp  %1 \
     set witharg=
-  ) else if "%witharg" == "" (
+  ) else if "%witharg%" == "" (
     echo>>confargs.tmp  %1 \
   ) else (
     echo>>confargs.tmp ,%1\