diff --git a/src/etc/make-snapshot.py b/src/etc/make-snapshot.py
index 13ea73046fbb..4c2950af1cc3 100755
--- a/src/etc/make-snapshot.py
+++ b/src/etc/make-snapshot.py
@@ -2,7 +2,7 @@
 
 import snapshot, sys
 
-if len(sys.argv) == 2:
+if len(sys.argv) == 3:
     print(snapshot.make_snapshot(sys.argv[1], sys.argv[2], ""))
 else:
     print(snapshot.make_snapshot(sys.argv[1], sys.argv[2], sys.argv[3]))