diff --git a/src/Record/MPEG.cpp b/src/Record/MPEG.cpp
index bb5e9e6b..6f8eb85e 100644
--- a/src/Record/MPEG.cpp
+++ b/src/Record/MPEG.cpp
@@ -114,7 +114,7 @@ int mpeg_muxer_remove_program(mpeg_muxer_t *muxer, uint16_t pn) {
     return mpeg_ts_remove_program(muxer->u.ts.ctx, pn);
 }
 
-int peg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size) {
+int mpeg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size) {
     assert(muxer);
     if (muxer->is_ps) {
         return -1;
diff --git a/src/Record/MPEG.h b/src/Record/MPEG.h
index ab271c01..1f99ae67 100644
--- a/src/Record/MPEG.h
+++ b/src/Record/MPEG.h
@@ -35,7 +35,7 @@ int mpeg_muxer_input(mpeg_muxer_t *muxer, int stream, int flags, int64_t pts, in
 int mpeg_muxer_reset(mpeg_muxer_t *muxer);
 int mpeg_muxer_add_program(mpeg_muxer_t *muxer, uint16_t pn, const void *info, int bytes);
 int mpeg_muxer_remove_program(mpeg_muxer_t *muxer, uint16_t pn);
-int peg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size);
+int mpeg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size);
 
 ///////////////////////////////////////////////////////////////