diff --git a/xpra/platform/features.py b/xpra/platform/features.py
index 06dd819afa..a75a8a7ece 100644
--- a/xpra/platform/features.py
+++ b/xpra/platform/features.py
@@ -38,7 +38,7 @@
 DEFAULT_SSH_COMMAND : str = "ssh -x"
 DEFAULT_PULSEAUDIO_CONFIGURE_COMMANDS : tuple[tuple[str, str, str], ...] = (
     ("pactl", "set-default-sink", "Xpra-Speaker"),
-    ("pactl", "set-default-source", "Xpra-Microphone.monitor"),
+    ("pactl", "set-default-source", "Xpra-Mic-Source"),
     )
 
 SOCKET_OPTIONS : tuple[str, ...] = (
diff --git a/xpra/scripts/config.py b/xpra/scripts/config.py
index 8a195706f7..5b5079a58a 100755
--- a/xpra/scripts/config.py
+++ b/xpra/scripts/config.py
@@ -866,6 +866,7 @@ def get_default_pulseaudio_command() -> list[str]:
         "--exit-idle-time=-1", "--load=module-suspend-on-idle",
         "'--load=module-null-sink sink_name=\"Xpra-Speaker\" sink_properties=device.description=\"Xpra\\ Speaker\"'",
         "'--load=module-null-sink sink_name=\"Xpra-Microphone\" sink_properties=device.description=\"Xpra\\ Microphone\"'",
+        "'--load=module-remap-source source_name=\"Xpra-Mic-Source\" source_properties=device.description=\"Xpra\\ Mic\\ Source\" master=\"Xpra-Microphone.monitor\" channels=1'",
         "'--load=module-native-protocol-unix socket=$XPRA_PULSE_SERVER'",
         "--load=module-dbus-protocol",
         "--load=module-x11-publish",