diff --git a/Documents/bin/kb b/Documents/bin/kb
index bb58fd35b1c2a1e99b6b34aeca971143d7fbf4ff..ff3bf09621a02972d3328e7bda6ff6fbebffbbaa 100755
--- a/Documents/bin/kb
+++ b/Documents/bin/kb
@@ -70,7 +70,7 @@ sync () {
 }
 
 usage () {
-    echo "usage: $0 start|stop|sync" >&2
+    echo "usage: $(basename "$0") start|stop|sync" >&2
     exit 1
 }