diff --git a/linker_scripts/us/rev1/symbol_addrs_audio.txt b/linker_scripts/us/rev1/symbol_addrs_audio.txt
index 8281a1c1..5d5fdb47 100644
--- a/linker_scripts/us/rev1/symbol_addrs_audio.txt
+++ b/linker_scripts/us/rev1/symbol_addrs_audio.txt
@@ -364,7 +364,7 @@ Audio_NoteInitAll = 0x800132E8;
 Audio_SequenceChannelProcessSound = 0x80013400;
 Audio_SequencePlayerProcessSound = 0x800135A8;
 Audio_GetPortamentoFreqScale = 0x80013708;
-func_800137DC = 0x800137DC;
+Audio_GetVibratoPitchChange = 0x800137DC;
 Audio_GetVibratoFreqScale = 0x80013820;
 Audio_NoteVibratoUpdate = 0x80013A18;
 Audio_NoteVibratoInit = 0x80013A84;
diff --git a/src/audio/audio_effects.c b/src/audio/audio_effects.c
index c038a199..5e4de352 100644
--- a/src/audio/audio_effects.c
+++ b/src/audio/audio_effects.c
@@ -84,7 +84,7 @@ f32 Audio_GetPortamentoFreqScale(Portamento* portamento) {
     return temp2;
 }
 
-s16 func_800137DC(VibratoState* vibrato) {
+s16 Audio_GetVibratoPitchChange(VibratoState* vibrato) {
     s32 index;
 
     vibrato->time += (s32) vibrato->rate;
@@ -130,7 +130,7 @@ f32 Audio_GetVibratoFreqScale(VibratoState* vibrato) {
     if (vibrato->depth == 0.0f) {
         return 1.0f;
     }
-    ret = func_800137DC(vibrato);
+    ret = Audio_GetVibratoPitchChange(vibrato);
     temp = vibrato->depth / 4096.0f;
     temp2 = 1.0f + temp * (gBendPitchOneOctaveFrequencies[0x80 + ret] - 1.0f);
     return temp2;