diff --git a/pjsip/include/pjsua-lib/pjsua.h b/pjsip/include/pjsua-lib/pjsua.h
index 82e22ab..47641c9 100644
--- a/pjsip/include/pjsua-lib/pjsua.h
+++ b/pjsip/include/pjsua-lib/pjsua.h
@@ -2102,7 +2102,7 @@
 #define PJSUA_DEFAULT_CLOCK_RATE    16000
 #define PJSUA_DEFAULT_CODEC_QUALITY 5
 #define PJSUA_DEFAULT_ILBC_MODE	    20
-#define PJSUA_DEFAULT_EC_TAIL_LEN   256
+#define PJSUA_DEFAULT_EC_TAIL_LEN   0
 
 
 /**