diff --git a/songbook b/songbook
index f678cd88..83887a71 100755
--- a/songbook
+++ b/songbook
@@ -3,4 +3,4 @@
 # Do not edit this file. This file is just a helper file for development test.
 # It is not part of the distributed software.
 
-python -m patacrep.songbook $@
+python -m patacrep.songbook "$@"