diff --git a/ivtest/vvp_tests/sdf_interconnect4.json b/ivtest/vvp_tests/sdf_interconnect4.json
index 5bb7ea12a..283899c0e 100644
--- a/ivtest/vvp_tests/sdf_interconnect4.json
+++ b/ivtest/vvp_tests/sdf_interconnect4.json
@@ -1,5 +1,5 @@
 {
-    "type"          : "normal",
+    "type"          : "EF",
     "source"        : "sdf_interconnect4.v",
     "iverilog-args" : [ "-Ttyp", "-ginterconnect", "-gspecify" ],
     "gold"   : "sdf_interconnect4",