diff --git a/libsolidity/SolidityNameAndTypeResolution.cpp b/libsolidity/SolidityNameAndTypeResolution.cpp
index e59217bf5..ba5a5a60f 100644
--- a/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -1899,6 +1899,18 @@ BOOST_AUTO_TEST_CASE(integer_boolean_operators)
 	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode3), TypeError);
 }
 
+BOOST_AUTO_TEST_CASE(reference_compare_operators)
+{
+	char const* sourceCode1 = R"(
+		contract test { bytes a; bytes b; function() { a == b; } }
+	)";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode1), TypeError);
+	char const* sourceCode2 = R"(
+		contract test { struct s {uint a;}; s x; s y; function() { x == y; } }
+	)";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode2), TypeError);
+}
+
 BOOST_AUTO_TEST_CASE(overwrite_memory_location_external)
 {
 	char const* sourceCode = R"(