diff --git a/.github/build.sh b/.github/build.sh
index 1d9a09a93f5..ab223482d24 100755
--- a/.github/build.sh
+++ b/.github/build.sh
@@ -26,7 +26,7 @@ if [ "$RUNNER_OS" == "macOS" ]; then
 fi
 
 if [ "$1" == "mingw" -o "$1" == "mingw32" ]; then
-	mkdir CNG
+	mkdir -p CNG
 	wget https://raw.githubusercontent.com/open-eid/minidriver/master/cardmod.h -O CNG/cardmod.h
 	if [ "$1" == "mingw" ]; then
 		HOST=x86_64-w64-mingw32