diff --git a/include/lffiles.h b/include/lffiles.h
index 2b70d885b..fe6cd8be0 100755
--- a/include/lffiles.h
+++ b/include/lffiles.h
@@ -59,10 +59,10 @@
 #define LF_QUAA1                56
 #define LF_QUAA2                57
 #define LF_QUAA3                58
-#define LF_QUAB	                59
+#define LF_QUAB                 59
 #define LF_QUAB1                60
 #define LF_QUAC                 61
-#define LF_QUAD	                62
+#define LF_QUAD                 62
 #define LF_QUAD1                63
 #define LF_QUAE                 64
 #define LF_QUAE1                65