diff --git a/tasmota/language/af-AF.h b/tasmota/language/af_AF.h
similarity index 97%
rename from tasmota/language/af-AF.h
rename to tasmota/language/af_AF.h
index 9150e2c38..e2135774d 100644
--- a/tasmota/language/af-AF.h
+++ b/tasmota/language/af_AF.h
@@ -929,4 +929,4 @@
 #define D_FP_PASSVERIFY "Password verified"    // 0x21 Verify the fingerprint passed
 #define D_FP_UNKNOWNERROR "Error"              // Any other error
 
-#endif  // _LANGUAGE_EN_GB_H_
\ No newline at end of file
+#endif  // _LANGUAGE_EN_GB_H_