diff --git a/tools/tools.go b/tools/tools.go
index d50fde8..63e3ec3 100644
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -81,7 +81,7 @@ func splitFunction(function string) (pkg string, expression string, err error) {
 		expression = sparts[0]
 	} else {
 		pkg = strings.Join(append(gopath, sparts[0]), "/")
-		expression = gopath[len(parts)-1]
+		expression = parts[len(parts)-1]
 	}
 
 	return