diff --git a/panda/src/audiotraits/audio_load_mp3.cxx b/panda/src/audiotraits/audio_load_mp3.cxx
index 5aa83016cb..ab30817c42 100644
--- a/panda/src/audiotraits/audio_load_mp3.cxx
+++ b/panda/src/audiotraits/audio_load_mp3.cxx
@@ -7,6 +7,7 @@
 #include "audio_pool.h"
 #include "config_audio.h"
 #include "audio_trait.h"
+#include "config_util.h"
 
 Configure(audio_load_mp3);
 
@@ -445,6 +446,7 @@ AudioTraits::SoundClass* AudioLoadMp3(Filename) {
 EXPCL_MISC AudioTraits::SoundClass* AudioLoadMp3(Filename filename) {
   unsigned char* buf;
   unsigned long len;
+  filename.resolve_filename(get_sound_path());
   read_file(filename, &buf, len);
   if (buf != (unsigned char*)0L) {
     return WinSample::load_raw(buf, len);
@@ -459,6 +461,7 @@ EXPCL_MISC AudioTraits::SoundClass* AudioLoadMp3(Filename filename) {
 AudioTraits::SoundClass* AudioLoadMp3(Filename filename) {
   unsigned char* buf;
   unsigned long len;
+  filename.resolve_filename(get_sound_path());
   read_file(filename, &buf, len);
   if (buf != (unsigned char*)0L) {
     return LinuxSample::load_raw(buf, len);