diff --git a/libs/codec/ilbc/src/iLBC_define.h b/libs/codec/ilbc/src/iLBC_define.h
index a5e3afe38d..410c259008 100644
--- a/libs/codec/ilbc/src/iLBC_define.h
+++ b/libs/codec/ilbc/src/iLBC_define.h
@@ -16,7 +16,7 @@ All Rights Reserved.
 
 /* general codec settings */
 
-#define FS                      (float)8000.0
+#define FREQ_S                  (float)8000.0
 #define BLOCKL_20MS             160
 #define BLOCKL_30MS             240
 #define BLOCKL_MAX              240