diff --git a/gst-libs/gst/audio/gstaudioringbuffer.c b/gst-libs/gst/audio/gstaudioringbuffer.c
index a8c81a1419..1302c282c9 100644
--- a/gst-libs/gst/audio/gstaudioringbuffer.c
+++ b/gst-libs/gst/audio/gstaudioringbuffer.c
@@ -277,7 +277,7 @@ gst_audio_ring_buffer_parse_caps (GstAudioRingBufferSpec * spec, GstCaps * caps)
 
     gst_structure_get_int (structure, "channels", &info.channels);
     spec->type = GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG;
-    info.bpf = 4;
+    info.bpf = 1;
   } else if (g_str_equal (mimetype, "audio/mpeg") &&
       gst_structure_get_int (structure, "mpegversion", &i) &&
       (i == 2 || i == 4) &&
@@ -290,7 +290,7 @@ gst_audio_ring_buffer_parse_caps (GstAudioRingBufferSpec * spec, GstCaps * caps)
     gst_structure_get_int (structure, "channels", &info.channels);
     spec->type = (i == 2) ? GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC :
         GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC;
-    info.bpf = 4;
+    info.bpf = 1;
   } else {
     goto parse_error;
   }