diff --git a/src/sound/CVarHandlers.cpp b/src/sound/CVarHandlers.cpp
index 7f50fc5..7cd824a 100644
--- a/src/sound/CVarHandlers.cpp
+++ b/src/sound/CVarHandlers.cpp
@@ -65,8 +65,11 @@ bool VoiceChatOutputDriverHandler(CVar* var, const char* oldValue, const char* v
 }
 
 bool AmbienceVolume_CVarCallback(CVar* var, const char* oldValue, const char* value, void* arg) {
-    // TODO
-    WHOA_UNIMPLEMENTED(true);
+    auto volume = SStrToFloat(value);
+
+    SESound::SetChannelGroupVolume("AMBIENCE", volume);
+
+    return true;
 }
 
 bool EnableAllSound_CVarCallback(CVar* var, const char* oldValue, const char* value, void* arg) {