diff --git a/font.go b/font.go
index 0c3305f..ef7274c 100644
--- a/font.go
+++ b/font.go
@@ -87,6 +87,10 @@ func SetFontFolder(folder string) {
 	fontFolder = filepath.Clean(folder)
 }
 
+func SetFontNamer(fn FontFileNamer) {
+	fontNamer = fn
+}
+
 func loadFont(fontFileName string) *truetype.Font {
 	fontBytes, err := ioutil.ReadFile(path.Join(fontFolder, fontFileName))
 	if err != nil {