diff --git a/include/nlohmann/detail/macro_scope.hpp b/include/nlohmann/detail/macro_scope.hpp
index a5b6101e8..5f0824fea 100644
--- a/include/nlohmann/detail/macro_scope.hpp
+++ b/include/nlohmann/detail/macro_scope.hpp
@@ -62,6 +62,7 @@
 #if defined(JSON_CATCH_USER)
     #undef JSON_CATCH
     #define JSON_CATCH JSON_CATCH_USER
+    #undef JSON_INTERNAL_CATCH
     #define JSON_INTERNAL_CATCH JSON_CATCH_USER
 #endif
 #if defined(JSON_INTERNAL_CATCH_USER)
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index b80386f3f..ac27d3d4c 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -177,6 +177,7 @@ using json = basic_json<>;
 #if defined(JSON_CATCH_USER)
     #undef JSON_CATCH
     #define JSON_CATCH JSON_CATCH_USER
+    #undef JSON_INTERNAL_CATCH
     #define JSON_INTERNAL_CATCH JSON_CATCH_USER
 #endif
 #if defined(JSON_INTERNAL_CATCH_USER)