diff --git a/build.sh b/build.sh
index c1025c5..5d1978e 100755
--- a/build.sh
+++ b/build.sh
@@ -6,11 +6,9 @@ if [ -z "$BUILD_DIR" ]; then
 fi
 
 CONFIG_DIR="$(dirname "$0")" &&
-(
-    if [ -z "$4" ]; then
-        flatpak-builder $3 --arch "$2" --rebuild-on-sdk-change "$BUILD_DIR" "$1"
-    else
-        HASH="$("$CONFIG_DIR/hash_modules.py" "$1" "$2" | sed -n '1p')" &&
-        flatpak-builder $3 --arch "$2" --rebuild-on-sdk-change --gpg-sign=winebarrels@marko10-000.de --repo "$4" -s "WB_HASH='${HASH}'" "$BUILD_DIR" "$1"
-    fi
-)
\ No newline at end of file
+if [ -z "$4" ]; then
+    exec flatpak-builder $3 --arch "$2" --rebuild-on-sdk-change "$BUILD_DIR" "$1"
+else
+    HASH="$("$CONFIG_DIR/hash_modules.py" "$1" "$2" | sed -n '1p')" &&
+    exec flatpak-builder $3 --arch "$2" --rebuild-on-sdk-change --gpg-sign=winebarrels@marko10-000.de --repo "$4" -s "WB_HASH='${HASH}'" "$BUILD_DIR" "$1"
+fi
\ No newline at end of file