diff --git a/tests/45-undefined-type-SE.asn1.-EFfknown-extern-type=KnownExt b/tests/45-undefined-type-SE.asn1.-EFfknown-extern-type=KnownExt
new file mode 100644
index 0000000..423b32b
--- /dev/null
+++ b/tests/45-undefined-type-SE.asn1.-EFfknown-extern-type=KnownExt
@@ -0,0 +1,10 @@
+
+ModuleKnownExternType {iso(-1) org(3) dod(6) internet(1) private(4)
+	enterprise(1) spelio(9363) software(1) asn1c(5) test(1)
+	45 }
+DEFINITIONS ::=
+BEGIN
+
+Type ::= KnownExt
+
+END