diff --git a/test/endian_test.cpp b/test/endian_test.cpp
index 72fb00c..e67715f 100644
--- a/test/endian_test.cpp
+++ b/test/endian_test.cpp
@@ -74,7 +74,7 @@ namespace
     ++v; // verify integer_cover_operators being applied to this type -
          // will fail to compile if no endian<> specialization is present
 
-    Endian x = v+v;
+    Endian x(v+v);
     if ( x == x ) // silence warning
       return;
   }
diff --git a/test/msvc2012/endian_test/endian_test.vcxproj b/test/msvc2012/endian_test/endian_test.vcxproj
index 359903c..740a2e8 100644
--- a/test/msvc2012/endian_test/endian_test.vcxproj
+++ b/test/msvc2012/endian_test/endian_test.vcxproj
@@ -61,6 +61,7 @@
       <PrecompiledHeader>
       </PrecompiledHeader>
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+      <WarningLevel>Level3</WarningLevel>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>