diff --git a/projects/SelfTest/MiscTests.cpp b/projects/SelfTest/MiscTests.cpp
index 32711555..e425b64a 100644
--- a/projects/SelfTest/MiscTests.cpp
+++ b/projects/SelfTest/MiscTests.cpp
@@ -359,24 +359,24 @@ TEST_CASE( "Tabs and newlines show in output", "[.][whitespace][failing]" ) {
 
 TEST_CASE( "toString on const wchar_t const pointer returns the string contents", "[toString]" ) {
 	const wchar_t * const s = L"wide load";
-	auto result = Catch::toString( s );
+	std::string result = Catch::toString( s );
 	CHECK( result == "\"wide load\"" );
 }
 
 TEST_CASE( "toString on const wchar_t pointer returns the string contents", "[toString]" ) {
 	const wchar_t * s = L"wide load";
-	auto result = Catch::toString( s );
+	std::string result = Catch::toString( s );
 	CHECK( result == "\"wide load\"" );
 }
 
 TEST_CASE( "toString on wchar_t const pointer returns the string contents", "[toString]" ) {
 	wchar_t * const s = L"wide load";
-	auto result = Catch::toString( s );
+	std::string result = Catch::toString( s );
 	CHECK( result == "\"wide load\"" );
 }
 
 TEST_CASE( "toString on wchar_t returns the string contents", "[toString]" ) {
 	wchar_t * s = L"wide load";
-	auto result = Catch::toString( s );
+	std::string result = Catch::toString( s );
 	CHECK( result == "\"wide load\"" );
 }
\ No newline at end of file