diff --git a/src/catch2/generators/catch_generators.hpp b/src/catch2/generators/catch_generators.hpp
index 79a23b12..117f1901 100644
--- a/src/catch2/generators/catch_generators.hpp
+++ b/src/catch2/generators/catch_generators.hpp
@@ -14,7 +14,6 @@
 #include <catch2/internal/catch_stringref.hpp>
 #include <catch2/internal/catch_move_and_forward.hpp>
 #include <catch2/internal/catch_unique_name.hpp>
-#include <catch2/internal/catch_preprocessor.hpp>
 
 #include <vector>
 #include <tuple>
@@ -232,16 +231,19 @@ namespace Detail {
 } // namespace Generators
 } // namespace Catch
 
+#define CATCH_INTERNAL_GENERATOR_STRINGIZE_IMPL( ... ) #__VA_ARGS__##_catch_sr
+#define CATCH_INTERNAL_GENERATOR_STRINGIZE(...) CATCH_INTERNAL_GENERATOR_STRINGIZE_IMPL(__VA_ARGS__)
+
 #define GENERATE( ... ) \
-    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+    Catch::Generators::generate( CATCH_INTERNAL_GENERATOR_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
                                  CATCH_INTERNAL_LINEINFO, \
                                  [ ]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
 #define GENERATE_COPY( ... ) \
-    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+    Catch::Generators::generate( CATCH_INTERNAL_GENERATOR_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
                                  CATCH_INTERNAL_LINEINFO, \
                                  [=]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
 #define GENERATE_REF( ... ) \
-    Catch::Generators::generate( INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
+    Catch::Generators::generate( CATCH_INTERNAL_GENERATOR_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), \
                                  CATCH_INTERNAL_LINEINFO, \
                                  [&]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)