diff --git a/lib/profilerlib.php b/lib/profilerlib.php
index d2a2ebb0200..6e8f26109f1 100755
--- a/lib/profilerlib.php
+++ b/lib/profilerlib.php
@@ -283,7 +283,7 @@ echo "BLAH";
         }
     }
 
-    function usage {
+    function usage() {
     return <<<EOD
     pprofp <flags> <trace file>
         Sort options