diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index d16f00d..eb24877 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -48,6 +48,8 @@
 /* Two seconds as per CCID3 spec */
 #define TFRC_INITIAL_TIMEOUT	   (2 * USEC_PER_SEC)
 
+#define TFRC_INITIAL_IPI	   (USEC_PER_SEC / 4)
+
 /* In usecs - half the scheduling granularity as per RFC3448 4.6 */
 #define TFRC_OPSYS_HALF_TIME_GRAN  (USEC_PER_SEC / (2 * HZ))