diff --git a/recursive-fuzz-cmin.sh b/recursive-fuzz-cmin.sh
index 1e91c9ef..b95ef387 100755
--- a/recursive-fuzz-cmin.sh
+++ b/recursive-fuzz-cmin.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euxo pipefail
 i=0
 rm -rf "fuzz/corpus/fuzz_$1_iter_0" || true
 mkdir "fuzz/corpus/fuzz_$1_iter_0"