diff --git a/src/modules/module-switch-on-port-available.c b/src/modules/module-switch-on-port-available.c
index 2fa7e4d62..90a01c8fb 100644
--- a/src/modules/module-switch-on-port-available.c
+++ b/src/modules/module-switch-on-port-available.c
@@ -234,6 +234,28 @@ static void switch_to_port(pa_device_port *port) {
     if (pp.is_port_active)
         return; /* Already selected */
 
+    /* If a port availability became unknown, let's see if it's part of some
+     * availability group. If it is, it is likely to be a headphone jack that
+     * does not have impedance sensing to detect whether what was plugged in
+     * was a headphone, headset or microphone. In desktop environments that
+     * support it, this will trigger a user choice to select what kind of
+     * device was plugged in. However, let's switch to the headphone port at
+     * least, so that we have don't break functionality for setups that can't
+     * trigger this kind of interaction.
+     *
+     * We should make this configurable so that users can optionally override
+     * the default to a headset or mic.
+     */
+    if (port->available == PA_AVAILABLE_UNKNOWN) {
+        /* Not part of a group of ports, so likely not a combination port */
+        if (!port->availability_group)
+            return;
+
+        /* For no we only switch the headphone port */
+        if (port->direction != PA_DIRECTION_OUTPUT)
+            return;
+    }
+
     pa_log_debug("Trying to switch to port %s", port->name);
     if (!pp.is_preferred_profile_active) {
         if (try_to_switch_profile(port) < 0) {
@@ -303,6 +325,7 @@ static pa_hook_result_t port_available_hook_callback(pa_core *c, pa_device_port
         return PA_HOOK_OK;
 
     switch (port->available) {
+    case PA_AVAILABLE_UNKNOWN:
     case PA_AVAILABLE_YES:
         switch_to_port(port);
         break;