diff --git a/adk/data/compile-regolith.bat b/adk/data/compile-regolith.bat
index 2636c61..ecdd727 100644
--- a/adk/data/compile-regolith.bat
+++ b/adk/data/compile-regolith.bat
@@ -1,4 +1,4 @@
-IF [%2] == [](
+IF "%~2"==""(
     cmake -S ./data/adk -B adk-build -DCMAKE_BUILD_TYPE=Release -DVCPKG_TARGET_TRIPLET=x64-windows -DCMAKE_TOOLCHAIN_FILE=%1
 ) ELSE (
     cmake -S ./data/adk -B adk-build -DCMAKE_BUILD_TYPE=Release -DVCPKG_TARGET_TRIPLET=x64-windows -DGITHUB_ACTION=%2