diff --git a/src/pulsecore/device-port.c b/src/pulsecore/device-port.c
index 28e78a6e9..5863d7f9e 100644
--- a/src/pulsecore/device-port.c
+++ b/src/pulsecore/device-port.c
@@ -110,6 +110,16 @@ void pa_device_port_set_available(pa_device_port *p, pa_available_t status) {
                 else
                     pa_core_move_streams_to_newly_available_preferred_sink(p->core, sink);
             }
+        } else {
+            pa_source *source;
+
+            source = pa_device_port_get_source(p);
+            if (source && p == source->active_port) {
+                if (source->active_port->available == PA_AVAILABLE_NO)
+                    pa_source_move_streams_to_default_source(p->core, source);
+                else
+                    pa_core_move_streams_to_newly_available_preferred_source(p->core, source);
+            }
         }
 
         pa_subscription_post(p->core, PA_SUBSCRIPTION_EVENT_CARD|PA_SUBSCRIPTION_EVENT_CHANGE, p->card->index);
@@ -249,3 +259,16 @@ pa_sink *pa_device_port_get_sink(pa_device_port *p) {
         }
     return rs;
 }
+
+pa_source *pa_device_port_get_source(pa_device_port *p) {
+    pa_source *rs = NULL;
+    pa_source *source;
+    uint32_t state;
+
+    PA_IDXSET_FOREACH(source, p->card->sources, state)
+        if (p == pa_hashmap_get(source->ports, p->name)) {
+            rs = source;
+            break;
+        }
+    return rs;
+}
diff --git a/src/pulsecore/device-port.h b/src/pulsecore/device-port.h
index 41988e5bb..41198f64c 100644
--- a/src/pulsecore/device-port.h
+++ b/src/pulsecore/device-port.h
@@ -89,4 +89,6 @@ pa_device_port *pa_device_port_find_best(pa_hashmap *ports);
 
 pa_sink *pa_device_port_get_sink(pa_device_port *p);
 
+pa_source *pa_device_port_get_source(pa_device_port *p);
+
 #endif