diff --git a/include/internal/catch_matchers.hpp b/include/internal/catch_matchers.hpp
index d11a8212..0dae615f 100644
--- a/include/internal/catch_matchers.hpp
+++ b/include/internal/catch_matchers.hpp
@@ -159,6 +159,7 @@ namespace Matchers {
 } // namespace Matchers
 
 using namespace Matchers;
+using Matchers::Impl::MatcherBase;
 
 } // namespace Catch
 
diff --git a/include/internal/catch_matchers_string.h b/include/internal/catch_matchers_string.h
index 5cdad507..87476b12 100644
--- a/include/internal/catch_matchers_string.h
+++ b/include/internal/catch_matchers_string.h
@@ -25,7 +25,7 @@ namespace Matchers {
             std::string m_str;
         };
 
-        struct StringMatcherBase : Impl::MatcherBase<std::string> {
+        struct StringMatcherBase : MatcherBase<std::string> {
             StringMatcherBase( std::string operation, CasedString const& comparator );
             virtual std::string describe() const CATCH_OVERRIDE;