diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 3e64b202..d7de401c 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -123,8 +123,10 @@
 // Oracle Solaris Studio
 #ifdef __SUNPRO_CC
 
+#define CATCH_INTERNAL_CONFIG_VARIADIC_MACROS
+#define CATCH_INTERNAL_SUNPRO_CC_NON_COMPLIANT_STL
+//  OK with __SUNPRO_CC 0x5120
 #   if __SUNPRO_CC == 0x5100  // Oracle Solaris Studio version 12.1
-#       define CATCH_INTERNAL_SUNPRO_CC_NON_COMPLIANT_STL
 #   endif
 
 #endif // __SUNPRO_CC
diff --git a/projects/SelfTest/ToStringPair.cpp b/projects/SelfTest/ToStringPair.cpp
index 8f510700..59483ef8 100644
--- a/projects/SelfTest/ToStringPair.cpp
+++ b/projects/SelfTest/ToStringPair.cpp
@@ -30,7 +30,7 @@ TEST_CASE( "std::pair<int,const std::string> -> toString", "[toString][pair]" )
 
 TEST_CASE( "std::vector<std::pair<std::string,int> > -> toString", "[toString][pair]" ) {
     std::vector<std::pair<std::string,int> > pr;
-    pr.push_back( std::make_pair("green", 55 ) );
+    pr.push_back( std::make_pair(std::string("green"), 55 ) );
     REQUIRE( Catch::toString( pr ) == "{ { \"green\", 55 } }" );
 }