diff --git a/tests/37-indirect-choice-OK.asn1 b/tests/37-indirect-choice-OK.asn1
index b0361c4..9204c1c 100644
--- a/tests/37-indirect-choice-OK.asn1
+++ b/tests/37-indirect-choice-OK.asn1
@@ -8,14 +8,14 @@
 ModuleTestIndirectChoiceFine
 	{ iso org(3) dod(6) internet(1) private(4) enterprise(1)
 		spelio(9363) software(1) asn1c(5) test(1) 37 }
-	DEFINITIONS ::=
+	DEFINITIONS IMPLICIT TAGS ::=
 BEGIN
 
 	T ::= CHOICE {
 		t-a  INTEGER,
 		t-b  OCTET STRING,
 		t-c  [1] Choice1,
-		t-d  Choice2
+		t-d  [3] Choice2
 	}
 
 	Choice1 ::= CHOICE {
@@ -29,4 +29,6 @@
 		c-d [3] Choice1
 	}
 
+	Choice3 ::= [3] EXPLICIT Choice2		-- tags [3] [2]
+
 END