diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 477922933..7e4513e7d 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -181,6 +181,7 @@ pa_sink* pa_sink_new(
     s = pa_msgobject_new(pa_sink);
 
     if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SINK, s, data->namereg_fail))) {
+        pa_log_debug("Failed to register name %s.", data->name);
         pa_xfree(s);
         return NULL;
     }
diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index 1e4311603..74f38bc59 100644
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -149,6 +149,7 @@ pa_source* pa_source_new(
     s = pa_msgobject_new(pa_source);
 
     if (!(name = pa_namereg_register(core, data->name, PA_NAMEREG_SOURCE, s, data->namereg_fail))) {
+        pa_log_debug("Failed to register name %s.", data->name);
         pa_xfree(s);
         return NULL;
     }