diff --git a/openbsc/tests/mgcp/mgcp_test.c b/openbsc/tests/mgcp/mgcp_test.c
index 8b1b924..3cfc183 100644
--- a/openbsc/tests/mgcp/mgcp_test.c
+++ b/openbsc/tests/mgcp/mgcp_test.c
@@ -660,7 +660,7 @@
 	trunk.number_endpoints = 1;
 	trunk.endpoints = &endp;
 	trunk.force_constant_ssrc = patch_ssrc;
-	trunk.force_constant_timing = patch_ts;
+	trunk.force_aligned_timing = patch_ts;
 
 	endp.tcfg = &trunk;