diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index 911bb26..b9b5eef 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -58,8 +58,8 @@
 		  payload_type:7;
 #endif
 	u_int16_t sequence;
-	u_int32_t timestamp;
-	u_int32_t ssrc;
+	uint32_t timestamp;
+	uint32_t ssrc;
 } __attribute__((packed));