diff --git a/src/modules/jack/module-jackdbus-detect.c b/src/modules/jack/module-jackdbus-detect.c
index 662810269..425b97ff4 100644
--- a/src/modules/jack/module-jackdbus-detect.c
+++ b/src/modules/jack/module-jackdbus-detect.c
@@ -234,7 +234,7 @@ int pa__init(pa_module *m) {
         goto fail;
     }
 
-    if (pa_modargs_get_value_u32(ma, "channels", &u->channels) < 0 || !pa_channels_valid(u->channels)) {
+    if (pa_modargs_get_value_u32(ma, "channels", &u->channels) < 0 || (u->channels > 0 && !pa_channels_valid(u->channels))) {
         pa_log("Failed to parse channels= argument.");
         goto fail;
     }