diff --git a/bin/run-mangohud-gl.sh b/bin/run-mangohud-gl.sh
index e38c81f9..3cd7ebc2 100755
--- a/bin/run-mangohud-gl.sh
+++ b/bin/run-mangohud-gl.sh
@@ -20,4 +20,4 @@ LD_PRELOAD="${LD_PRELOAD}:${MANGOHUD_LIB_NAME}"
 LD_LIBRARY_PATH="${XDG_DATA_HOME}/MangoHud"
 
 echo $LD_LIBRARY_PATH
-exec env LD_LIBRARY_PATH="$LD_LIBRARY_PATH" LD_PRELOAD="${LD_PRELOAD}" "$@"
+exec env MANGOHUD=1 LD_LIBRARY_PATH="$LD_LIBRARY_PATH" LD_PRELOAD="${LD_PRELOAD}" "$@"