diff --git a/go/gcexportdata/gcexportdata.go b/go/gcexportdata/gcexportdata.go
index 572da5c9..e53270e0 100644
--- a/go/gcexportdata/gcexportdata.go
+++ b/go/gcexportdata/gcexportdata.go
@@ -44,7 +44,7 @@ import (
 //
 // Find also returns the package's resolved (canonical) import path,
 // reflecting the effects of srcDir and vendoring on importPath.
-func Find(importPath string, srcDir string) (filename, path string) {
+func Find(importPath, srcDir string) (filename, path string) {
 	return gcimporter.FindPkg(importPath, srcDir)
 }