diff --git a/subprojects/gst-plugins-base/ext/opus/gstopusdec.c b/subprojects/gst-plugins-base/ext/opus/gstopusdec.c
index 99289fa7d2..d3f461d9a8 100644
--- a/subprojects/gst-plugins-base/ext/opus/gstopusdec.c
+++ b/subprojects/gst-plugins-base/ext/opus/gstopusdec.c
@@ -440,12 +440,12 @@ gst_opus_dec_parse_header (GstOpusDec * dec, GstBuffer * buf)
         posn = gst_opus_channel_positions[dec->n_channels - 1];
         break;
       default:{
-        gint i;
+        guint i, max_pos = MIN (dec->n_channels, 64);
 
         GST_ELEMENT_WARNING (GST_ELEMENT (dec), STREAM, DECODE,
             (NULL), ("Using NONE channel layout for more than 8 channels"));
 
-        for (i = 0; i < dec->n_channels; i++)
+        for (i = 0; i < max_pos; i++)
           pos[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
 
         posn = pos;