diff --git a/src/modules/module-filter-chain.c b/src/modules/module-filter-chain.c
index 30d57b158..b9794a9ea 100644
--- a/src/modules/module-filter-chain.c
+++ b/src/modules/module-filter-chain.c
@@ -2162,6 +2162,7 @@ static void impl_destroy(struct impl *impl)
 	pw_properties_free(impl->capture_props);
 	pw_properties_free(impl->playback_props);
 	pw_properties_free(impl->control_props);
+	pw_properties_free(impl->feedback_props);
 
 	pw_properties_free(impl->props);
 	free(impl);