diff --git a/test/shimexec/less b/test/shimexec/less
index ab7494a..095baa5 100755
--- a/test/shimexec/less
+++ b/test/shimexec/less
@@ -12,4 +12,10 @@ EOF
 exit 0
 fi
 
-cat "$1"
+FILES=()
+while [[ $# -gt 0 ]]; do
+    -*) : ;;
+    *)  FILES+=("$1")
+done
+
+cat "${FILES[@]}"