diff --git a/files.mk b/files.mk
index 586288e..631ec7e 100644
--- a/files.mk
+++ b/files.mk
@@ -1,4 +1,4 @@
-ifndef niffs
+ifndef spiffs
 $(warn defaulting path to generic spiffs module, spiffs variable not set)
 spiffs = ../generic/spiffs
 endif