diff --git a/src/modules/module-loopback.c b/src/modules/module-loopback.c
index 29c3ddaba..bb0182b00 100644
--- a/src/modules/module-loopback.c
+++ b/src/modules/module-loopback.c
@@ -102,7 +102,7 @@ struct userdata {
 static const char* const valid_modargs[] = {
     "source",
     "sink",
-    "latency",
+    "latency_msec",
     "format",
     "rate",
     "channels",