diff --git a/tests/75-duplicate-modules-SE.asn1 b/tests/75-duplicate-modules-SE.asn1
new file mode 100644
index 0000000..a17189f
--- /dev/null
+++ b/tests/75-duplicate-modules-SE.asn1
@@ -0,0 +1,23 @@
+
+-- SE: Semantic error
+
+-- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1)
+-- .spelio.software.asn1c.test (9363.1.5.1)
+-- .75 1
+-- .75 1
+
+ModuleDuplicateModuleName
+	{ iso org(3) dod(6) internet(1) private(4) enterprise(1)
+		spelio(9363) software(1) asn1c(5) test(1) 75 1 }
+	DEFINITIONS ::=
+BEGIN
+
+END
+
+ModuleDuplicateModuleName
+	{ iso org(3) dod(6) internet(1) private(4) enterprise(1)
+		spelio(9363) software(1) asn1c(5) test(1) 75 1 }
+	DEFINITIONS ::=
+BEGIN
+
+END