diff --git a/reg-tests/converter/iif.vtc b/reg-tests/converter/iif.vtc
index 22414e0..ffd58ee 100644
--- a/reg-tests/converter/iif.vtc
+++ b/reg-tests/converter/iif.vtc
@@ -11,9 +11,9 @@
 haproxy h1 -conf {
     defaults
 	mode http
-	timeout connect 1s
-	timeout client  1s
-	timeout server  1s
+	timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
+	timeout client  "${HAPROXY_TEST_TIMEOUT-5s}"
+	timeout server  "${HAPROXY_TEST_TIMEOUT-5s}"
 
     frontend fe
 	bind "fd@${fe}"