diff --git a/keyboards/crkbd/keymaps/sajenim/rules.mk b/keyboards/crkbd/keymaps/sajenim/rules.mk
index f4a8393..e786b99 100644
--- a/keyboards/crkbd/keymaps/sajenim/rules.mk
+++ b/keyboards/crkbd/keymaps/sajenim/rules.mk
@@ -19,7 +19,7 @@ SRC += features/sentence_case.c
 
 ifeq ($(OLED_ENABLE),yes)
 	SRC += ./oled.c
-	OLED_DRIVER = SSD1306
+	OLED_DRIVER = ssd1306
 	WPM_ENABLE = yes
 endif