diff --git a/launch-game.sh b/launch-game.sh
index 177e077..a9f2d4a 100755
--- a/launch-game.sh
+++ b/launch-game.sh
@@ -8,6 +8,11 @@ command -v mono >/dev/null 2>&1 || { echo >&2 "The OpenRA mod template requires
 TEMPLATE_LAUNCHER=$(python -c "import os; print(os.path.realpath('$0'))")
 TEMPLATE_ROOT=$(dirname "${TEMPLATE_LAUNCHER}")
 
+# Mono >= 5.2 on macOS default mono to 64bit. Force 32 bit until the engine is ready
+if [ "$(uname -s)" = "Darwin" ] && command -v mono32 >/dev/null 2>&1; then
+	alias mono=mono32
+fi
+
 # shellcheck source=mod.config
 . "${TEMPLATE_ROOT}/mod.config"