diff --git a/tools/build.cmd b/tools/build.cmd
index 7558f4efff..5a47d87764 100644
--- a/tools/build.cmd
+++ b/tools/build.cmd
@@ -170,5 +170,5 @@ REM
 REM ##########################################################################################
 :build_config_ninja
 cmake -G "Ninja" -DCMAKE_MAKE_PROGRAM="!NINJA!" -DCMAKE_TOOLCHAIN_FILE="!VCPKG_CMAKE!" !CONFIG! "!ROOT!"
-%NINJA%
+"%NINJA%"
 exit /b