diff --git a/libavformat/Makefile b/libavformat/Makefile
index 18c3f2504d..293f9d36d0 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -201,10 +201,10 @@ OBJS-$(CONFIG_ROQ_DEMUXER)               += idroq.o
 OBJS-$(CONFIG_ROQ_MUXER)                 += raw.o
 OBJS-$(CONFIG_RPL_DEMUXER)               += rpl.o
 OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o         \
-                                            rtp_aac.o     \
-                                            rtp_amr.o     \
-                                            rtp_h263.o    \
-                                            rtp_mpv.o     \
+                                            rtpenc_aac.o     \
+                                            rtpenc_amr.o     \
+                                            rtpenc_h263.o    \
+                                            rtpenc_mpv.o     \
                                             rtpenc.o      \
                                             rtpenc_h264.o \
                                             avc.o
diff --git a/libavformat/rtp_aac.c b/libavformat/rtpenc_aac.c
similarity index 100%
rename from libavformat/rtp_aac.c
rename to libavformat/rtpenc_aac.c
diff --git a/libavformat/rtp_amr.c b/libavformat/rtpenc_amr.c
similarity index 100%
rename from libavformat/rtp_amr.c
rename to libavformat/rtpenc_amr.c
diff --git a/libavformat/rtp_h263.c b/libavformat/rtpenc_h263.c
similarity index 100%
rename from libavformat/rtp_h263.c
rename to libavformat/rtpenc_h263.c
diff --git a/libavformat/rtp_mpv.c b/libavformat/rtpenc_mpv.c
similarity index 100%
rename from libavformat/rtp_mpv.c
rename to libavformat/rtpenc_mpv.c