diff --git a/prog/static.go b/prog/static.go
index eefdf6cba0..bcd8625731 100644
--- a/prog/static.go
+++ b/prog/static.go
@@ -7,8 +7,9 @@ import (
 	"github.com/weaveworks/scope/prog/staticui"
 )
 
-func GetFS(use_external bool) http.FileSystem {
-	if use_external {
+// GetFS obtains the UI code
+func GetFS(useExternal bool) http.FileSystem {
+	if useExternal {
 		return externalui.FS(false)
 	} else {
 		return staticui.FS(false)