diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 8016292..6f2644e 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -49,7 +49,7 @@ jobs:
         lcov --remove coverage.info '*/catch.hpp' --output-file coverage.info
         lcov --list coverage.info
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./coverage.info
diff --git a/include/dict.hpp b/include/dict.hpp
index f098209..810f58f 100644
--- a/include/dict.hpp
+++ b/include/dict.hpp
@@ -405,7 +405,7 @@ template<typename T, typename... Types>
 T get_value(Dict<Types...> const& dict, std::string const& path, T const default_value,
             char delimiter = '/')
 {
-    return get_value(dict, detail::split_string(path), default_value);
+    return get_value(dict, detail::split_string(path, delimiter), default_value);
 }