diff --git a/src/catch2/internal/catch_test_case_tracker.cpp b/src/catch2/internal/catch_test_case_tracker.cpp
index a0e883b5..ce76dcba 100644
--- a/src/catch2/internal/catch_test_case_tracker.cpp
+++ b/src/catch2/internal/catch_test_case_tracker.cpp
@@ -186,7 +186,7 @@ namespace TestCaseTracking {
         bool complete = true;
 
         if (m_filters.empty()
-            || m_filters[0] == ""
+            || m_filters[0].empty()
             || std::find(m_filters.begin(), m_filters.end(), m_trimmed_name) != m_filters.end()) {
             complete = TrackerBase::isComplete();
         }
@@ -223,21 +223,21 @@ namespace TestCaseTracking {
     void SectionTracker::addInitialFilters( std::vector<std::string> const& filters ) {
         if( !filters.empty() ) {
             m_filters.reserve( m_filters.size() + filters.size() + 2 );
-            m_filters.emplace_back(""); // Root - should never be consulted
-            m_filters.emplace_back(""); // Test Case - not a section filter
+            m_filters.emplace_back(StringRef{}); // Root - should never be consulted
+            m_filters.emplace_back(StringRef{}); // Test Case - not a section filter
             m_filters.insert( m_filters.end(), filters.begin(), filters.end() );
         }
     }
-    void SectionTracker::addNextFilters( std::vector<std::string> const& filters ) {
+    void SectionTracker::addNextFilters( std::vector<StringRef> const& filters ) {
         if( filters.size() > 1 )
             m_filters.insert( m_filters.end(), filters.begin()+1, filters.end() );
     }
 
-    std::vector<std::string> const& SectionTracker::getFilters() const {
+    std::vector<StringRef> const& SectionTracker::getFilters() const {
         return m_filters;
     }
 
-    std::string const& SectionTracker::trimmedName() const {
+    StringRef SectionTracker::trimmedName() const {
         return m_trimmed_name;
     }
 
diff --git a/src/catch2/internal/catch_test_case_tracker.hpp b/src/catch2/internal/catch_test_case_tracker.hpp
index 1242d8de..0355f195 100644
--- a/src/catch2/internal/catch_test_case_tracker.hpp
+++ b/src/catch2/internal/catch_test_case_tracker.hpp
@@ -10,6 +10,7 @@
 
 #include <catch2/internal/catch_source_line_info.hpp>
 #include <catch2/internal/catch_unique_ptr.hpp>
+#include <catch2/internal/catch_stringref.hpp>
 
 #include <string>
 #include <vector>
@@ -164,7 +165,7 @@ namespace TestCaseTracking {
     };
 
     class SectionTracker : public TrackerBase {
-        std::vector<std::string> m_filters;
+        std::vector<StringRef> m_filters;
         std::string m_trimmed_name;
     public:
         SectionTracker( NameAndLocation const& nameAndLocation, TrackerContext& ctx, ITracker* parent );
@@ -178,11 +179,11 @@ namespace TestCaseTracking {
         void tryOpen();
 
         void addInitialFilters( std::vector<std::string> const& filters );
-        void addNextFilters( std::vector<std::string> const& filters );
+        void addNextFilters( std::vector<StringRef> const& filters );
         //! Returns filters active in this tracker
-        std::vector<std::string> const& getFilters() const;
+        std::vector<StringRef> const& getFilters() const;
         //! Returns whitespace-trimmed name of the tracked section
-        std::string const& trimmedName() const;
+        StringRef trimmedName() const;
     };
 
 } // namespace TestCaseTracking