diff --git a/SolidityNameAndTypeResolution.cpp b/SolidityNameAndTypeResolution.cpp
index 742d2ee2a..05ce6ed66 100644
--- a/SolidityNameAndTypeResolution.cpp
+++ b/SolidityNameAndTypeResolution.cpp
@@ -910,6 +910,28 @@ BOOST_AUTO_TEST_CASE(disallow_declaration_of_void_type)
 	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
 }
 
+BOOST_AUTO_TEST_CASE(overflow_caused_by_ether_units)
+{
+	char const* sourceCodeFine = R"(
+		contract c {
+			function c ()
+			{
+				 a = 115792089237316195423570985008687907853269984665640564039458;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCodeFine));
+	char const* sourceCode = R"(
+		contract c {
+			function c ()
+			{
+				 a = 115792089237316195423570985008687907853269984665640564039458 ether;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
diff --git a/SolidityParser.cpp b/SolidityParser.cpp
index b6837866c..7af99567b 100644
--- a/SolidityParser.cpp
+++ b/SolidityParser.cpp
@@ -679,6 +679,19 @@ BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations)
 	BOOST_CHECK_NO_THROW(parseTextExplainError(text));
 }
 
+BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations_in_expressions)
+{
+	char const* text = R"(
+		contract c {
+			function c ()
+			{
+				 a = 1 wei * 100 wei + 7 szabo - 3;
+			}
+			uint256 a;
+		})";
+	BOOST_CHECK_NO_THROW(parseTextExplainError(text));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }