diff --git a/panda/src/audiotraits/config_fmodAudio.cxx b/panda/src/audiotraits/config_fmodAudio.cxx
index afac862b85..c963312660 100644
--- a/panda/src/audiotraits/config_fmodAudio.cxx
+++ b/panda/src/audiotraits/config_fmodAudio.cxx
@@ -25,7 +25,7 @@
 #include "dconfig.h"
 
 ConfigureDef(config_fmodAudio);
-NotifyCategoryDef(fmodAudio, "");
+NotifyCategoryDef(fmodAudio, ":audio");
 
 ConfigureFn(config_fmodAudio) {
   init_libFmodAudio();
diff --git a/panda/src/audiotraits/config_milesAudio.cxx b/panda/src/audiotraits/config_milesAudio.cxx
index 8961f0aa04..941797a8c9 100644
--- a/panda/src/audiotraits/config_milesAudio.cxx
+++ b/panda/src/audiotraits/config_milesAudio.cxx
@@ -25,7 +25,7 @@
 #include "dconfig.h"
 
 ConfigureDef(config_milesAudio);
-NotifyCategoryDef(milesAudio, "");
+NotifyCategoryDef(milesAudio, ":audio");
 
 ConfigureFn(config_milesAudio) {
   init_libMilesAudio();