diff --git a/models/generate-coreml-interface.sh b/models/generate-coreml-interface.sh
index a02a131f..d5a0a112 100755
--- a/models/generate-coreml-interface.sh
+++ b/models/generate-coreml-interface.sh
@@ -5,6 +5,8 @@
 #   - src/coreml/whisper-decoder-impl.h and src/coreml/whisper-decoder-impl.m
 #
 
+set -e
+
 wd=$(dirname "$0")
 cd "$wd/../" || exit