diff --git a/tests/66-ref-simple-OK.asn1.-P b/tests/66-ref-simple-OK.asn1.-P
index 1e6f4ed..b424e47 100644
--- a/tests/66-ref-simple-OK.asn1.-P
+++ b/tests/66-ref-simple-OK.asn1.-P
@@ -74,7 +74,7 @@
 	SimpleType_one	= 0,
 	SimpleType_two	= 1,
 	SimpleType_three	= 2
-} SimpleType_e;
+} e_SimpleType;
 
 /*** <<< TYPE-DECLS [SimpleType] >>> ***/