diff --git a/include/internal/catch_impl.hpp b/include/internal/catch_impl.hpp
index ed037a07..85cf266f 100644
--- a/include/internal/catch_impl.hpp
+++ b/include/internal/catch_impl.hpp
@@ -91,7 +91,7 @@ namespace Catch {
     TestSpec::NamePattern::~NamePattern() {}
     TestSpec::TagPattern::~TagPattern() {}
     TestSpec::ExcludedPattern::~ExcludedPattern() {}
-	Matchers::Impl::MatcherUntypedBase::~MatcherUntypedBase() {}
+    Matchers::Impl::MatcherUntypedBase::~MatcherUntypedBase() {}
 
     void Config::dummy() {}
 
diff --git a/include/internal/catch_matchers.hpp b/include/internal/catch_matchers.hpp
index e258caa5..6e42445f 100644
--- a/include/internal/catch_matchers.hpp
+++ b/include/internal/catch_matchers.hpp
@@ -27,7 +27,7 @@ namespace Matchers {
             }
 
         protected:
-			virtual ~MatcherUntypedBase();
+            virtual ~MatcherUntypedBase();
             virtual std::string describe() const = 0;
             mutable std::string m_cachedToString;
         private: