diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 46483a7e6..4ace094b7 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -1825,6 +1825,7 @@ static int sink_reconfigure_cb(pa_sink *s, pa_sample_spec *spec, pa_channel_map
     bool rate_supported = false;
     bool channels_supported = false;
     pa_sample_spec effective_spec;
+    pa_channel_map effective_map;
 
     pa_assert(u);
 
@@ -1870,7 +1871,17 @@ static int sink_reconfigure_cb(pa_sink *s, pa_sample_spec *spec, pa_channel_map
         effective_spec.channels = u->verified_sample_spec.channels;
     }
 
-    pa_sink_set_sample_spec(u->sink, &effective_spec, map);
+    /* We con't actually support configuring the channel map, so let's do the best we can */
+    pa_channel_map_init_auto(&effective_map, effective_spec.channels, PA_CHANNEL_MAP_ALSA);
+    if (!pa_channel_map_equal(map, &effective_map)) {
+        char req_map_str[PA_CHANNEL_MAP_SNPRINT_MAX], eff_map_str[PA_CHANNEL_MAP_SNPRINT_MAX];
+
+        pa_log_info("Cannot set channel map to %s, using default of %s",
+            pa_channel_map_snprint(req_map_str, sizeof(req_map_str), map),
+            pa_channel_map_snprint(eff_map_str, sizeof(eff_map_str), &effective_map));
+    }
+
+    pa_sink_set_sample_spec(u->sink, &effective_spec, &effective_map);
 
 #ifdef USE_SMOOTHER_2
     pa_smoother_2_set_sample_spec(u->smoother, pa_rtclock_now(), &effective_spec);