diff --git a/spine-flutter/compile-wasm.sh b/spine-flutter/compile-wasm.sh
index b009bd4b3..f9976300e 100755
--- a/spine-flutter/compile-wasm.sh
+++ b/spine-flutter/compile-wasm.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 pushd $dir > /dev/null
 mkdir -p lib/assets/