diff --git a/spa/include/spa/pod/filter.h b/spa/include/spa/pod/filter.h
index b658e61a8..531350710 100644
--- a/spa/include/spa/pod/filter.h
+++ b/spa/include/spa/pod/filter.h
@@ -389,7 +389,7 @@ spa_pod_filter(struct spa_pod_builder *b,
 	} else if (result) {
 		*result = (struct spa_pod*)spa_pod_builder_deref(b, state.offset);
 		if (*result == NULL)
-			res = -EINVAL;
+			res = -ENOSPC;
 	}
 	return res;
 }