diff --git a/tests/24-sequence-OK.asn1.-EF b/tests/24-sequence-OK.asn1.-EF
new file mode 100644
index 0000000..d1380d2
--- /dev/null
+++ b/tests/24-sequence-OK.asn1.-EF
@@ -0,0 +1,15 @@
+
+ModuleTestSequence {iso(-1) org(3) dod(6) internet(1) private(4)
+	enterprise(1) spelio(9363) software(1) asn1c(5) test(1)
+	24 }
+DEFINITIONS IMPLICIT TAGS ::=
+BEGIN
+
+T ::= [5] EXPLICIT SEQUENCE {
+    a	 INTEGER,
+    b	 [0] IMPLICIT INTEGER OPTIONAL,
+    c	 [1] IMPLICIT INTEGER DEFAULT <?>,
+    d	 [5] EXPLICIT INTEGER
+}
+
+END