diff --git a/panda/src/audiotraits/Sources.pp b/panda/src/audiotraits/Sources.pp
index cc19466a99..161e96d34d 100644
--- a/panda/src/audiotraits/Sources.pp
+++ b/panda/src/audiotraits/Sources.pp
@@ -35,3 +35,15 @@
     audio_load_st.cxx
 
 #end lib_target
+
+#begin lib_target
+  #define TARGET audio_load_mp3
+  #define BUILDING_DLL BUILDING_MISC
+  #define LOCAL_LIBS \
+    audio mpg123
+  #define CFLAGS -DGENERIC -DNOXFERMEM
+
+  #define SOURCES \
+    audio_load_mp3.cxx
+
+#end lib_target