diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 34f0924d7e..636adce656 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -1097,7 +1097,7 @@ static int rtsp_read_header(AVFormatContext *s,
     }
 
     if (!lower_transport_mask)
-        lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_LAST) - 1;
+        lower_transport_mask = (1 << RTSP_LOWER_TRANSPORT_NB) - 1;
 
     /* open the tcp connexion */
     snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h
index 6920b451f9..48df0feac8 100644
--- a/libavformat/rtsp.h
+++ b/libavformat/rtsp.h
@@ -31,13 +31,13 @@ enum RTSPLowerTransport {
     RTSP_LOWER_TRANSPORT_UDP = 0,
     RTSP_LOWER_TRANSPORT_TCP = 1,
     RTSP_LOWER_TRANSPORT_UDP_MULTICAST = 2,
-    RTSP_LOWER_TRANSPORT_LAST
+    RTSP_LOWER_TRANSPORT_NB
 };
 
 enum RTSPTransport {
     RTSP_TRANSPORT_RTP,
     RTSP_TRANSPORT_RDT,
-    RTSP_TRANSPORT_LAST
+    RTSP_TRANSPORT_NB
 };
 
 #define RTSP_DEFAULT_PORT   554
@@ -82,7 +82,7 @@ enum RTSPServerType {
     RTSP_SERVER_RTP,  /**< Standards-compliant RTP-server */
     RTSP_SERVER_REAL, /**< Realmedia-style server */
     RTSP_SERVER_WMS,  /**< Windows Media server */
-    RTSP_SERVER_LAST
+    RTSP_SERVER_NB
 };
 
 typedef struct RTSPState {