diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h
index 99b80abf360afe3a4d94393df9ed52eb943d42ae..3066718eb12087ec22eb22e518a4f1756da33b21 100644
--- a/include/uapi/rdma/rdma_user_cm.h
+++ b/include/uapi/rdma/rdma_user_cm.h
@@ -34,6 +34,7 @@
 #define RDMA_USER_CM_H
 
 #include <linux/types.h>
+#include <linux/socket.h>
 #include <linux/in6.h>
 #include <rdma/ib_user_verbs.h>
 #include <rdma/ib_user_sa.h>