diff --git a/apps/renderer.c b/apps/renderer.c
index ceec7822ec3997e61fbe2a6aa69dc5857b6915f3..0694b0cf5911ae48feb3a6d5897c20947d20e532 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -2668,6 +2668,11 @@ static CmdlnArgs defaultArgs(
 
     args.inConfig.inSetupCustom.num_spk = 0;
     args.inConfig.inSetupCustom.num_lfe = 0;
+    for ( i = 0; i < RENDERER_MAX_INPUT_CHANNELS; i++ )
+    {
+        args.inConfig.inSetupCustom.azimuth[i] = 0.f;
+        args.inConfig.inSetupCustom.elevation[i] = 0.f;
+    }
     args.inConfig.numAudioObjects = 0;
     args.inConfig.numAmbisonicsBuses = 0;
     args.inConfig.numMultiChannelBuses = 0;
@@ -2676,6 +2681,11 @@ static CmdlnArgs defaultArgs(
     args.outConfig.audioConfig = IVAS_AUDIO_CONFIG_INVALID;
     args.outConfig.outSetupCustom.num_spk = 0;
     args.outConfig.outSetupCustom.num_lfe = 0;
+    for ( i = 0; i < RENDERER_MAX_OUTPUT_CHANNELS; i++ )
+    {
+        args.outConfig.outSetupCustom.azimuth[i] = 0.f;
+        args.outConfig.outSetupCustom.elevation[i] = 0.f;
+    }
     for ( i = 0; i < RENDERER_MAX_SBA_INPUTS; ++i )
     {
         args.inConfig.ambisonicsBuses[i].audioConfig = IVAS_AUDIO_CONFIG_INVALID;