diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
index 7ff19e8084..db9b580286 100644
--- a/builddefs/common_features.mk
+++ b/builddefs/common_features.mk
@@ -707,7 +707,7 @@ endif
 ifeq ($(strip $(PS2_USE_BUSYWAIT)), yes)
     PS2_ENABLE := yes
     SRC += ps2_busywait.c
-    SRC += ps2_io_avr.c
+    SRC += ps2_io.c
     OPT_DEFS += -DPS2_USE_BUSYWAIT
 endif