diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index 2abddee48304f90de095aa2c22536a734514604c..92a6fcb40d7daa4c3e1bc3b8e2b5a49c4948cf3d 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -201,7 +201,7 @@ static inline int dccp_ackvec_set_buf_head_state(struct dccp_ackvec *av,
 						 const unsigned int packets,
 						 const unsigned char state)
 {
-	unsigned int gap;
+	long gap;
 	long new_head;
 
 	if (av->av_vec_len + packets > DCCP_MAX_ACKVEC_LEN)