diff --git a/brp-fix-pyc-reproducibility b/brp-fix-pyc-reproducibility
index 95e481b..c6c674d 100644
--- a/brp-fix-pyc-reproducibility
+++ b/brp-fix-pyc-reproducibility
@@ -26,4 +26,18 @@ fi
 
 # Set pipefail so if $path_to_fix does not exist, the build fails
 set -o pipefail
-find "$path_to_fix" -type f -name "*.pyc" -print0 | xargs -0 /usr/bin/marshalparser --fix --overwrite
+
+extra=()
+if [ -n "$automatic" ]; then
+    extra+=(-name "python2.7" -prune -o)
+fi
+
+# Unset -e so that we can collect the return code below
+set +e
+find "$path_to_fix" "${extra[@]}" -type f -name "*.pyc" -print0 | xargs -0 /usr/bin/marshalparser --fix --overwrite
+ret=$?
+if [ "$ret" -eq 123 ]; then
+    echo "WARNING: some marshalparser invocations failed"
+    [ -n "$automatic" ] && exit 0
+fi
+exit $ret