diff --git a/include/CLI/impl/App_inl.hpp b/include/CLI/impl/App_inl.hpp
index 2692e74bc..92a279a3a 100644
--- a/include/CLI/impl/App_inl.hpp
+++ b/include/CLI/impl/App_inl.hpp
@@ -723,7 +723,8 @@ CLI11_NODISCARD CLI11_INLINE std::string App::help(std::string prev, AppFormatMo
 CLI11_NODISCARD CLI11_INLINE std::string App::version() const {
     std::string val;
     if(version_ptr_ != nullptr) {
-        auto rv = version_ptr_->results();
+        // copy the results for reuse later
+        results_t rv = version_ptr_->results();
         version_ptr_->clear();
         version_ptr_->add_result("true");
         try {
@@ -1479,7 +1480,46 @@ CLI11_INLINE bool App::_parse_single_config(const ConfigItem &item, std::size_t
                 if(op->get_items_expected_max() > 1) {
                     throw ArgumentMismatch::AtMost(item.fullname(), op->get_items_expected_max(), item.inputs.size());
                 }
-                throw ConversionError::TooManyInputsFlag(item.fullname());
+                if (op->get_disable_flag_override())
+                {
+                    for (const auto& res : item.inputs)
+                    {
+                        bool valid_value{false};
+                        if (op->default_flag_values_.empty())
+                        {
+                            if (res == "true" || res == "false" || res == "1" || res == "0") {
+                                valid_value=true;
+                            }
+                        }
+                        else
+                        {
+                            for (const auto& valid_res : op->default_flag_values_)
+                            {
+                                if (valid_res.second == res)
+                                {
+                                    valid_value=true;
+                                    break;
+                                }
+                            }
+
+                        }
+                        
+                        if (valid_value)
+                        {
+                            op->add_result(res);
+                        }
+                        else
+                        {
+                            throw InvalidError("invalid flag argument given");
+                        }
+                    }
+                    return true;
+                }
+                else
+                {
+                    throw ConversionError::TooManyInputsFlag(item.fullname());
+                }
+                
             }
         }
         op->add_result(item.inputs);
diff --git a/include/CLI/impl/Config_inl.hpp b/include/CLI/impl/Config_inl.hpp
index b6471745c..1ec57826f 100644
--- a/include/CLI/impl/Config_inl.hpp
+++ b/include/CLI/impl/Config_inl.hpp
@@ -437,7 +437,8 @@ ConfigBase::to_config(const App *app, bool default_also, bool write_description,
                                 }
                             }
                             if(!valid) {
-                                throw;
+                                value = detail::ini_join(
+                                    opt->results(), arraySeparator, arrayStart, arrayEnd, stringQuote, characterQuote);
                             }
                         }
                     }
diff --git a/tests/FuzzFailTest.cpp b/tests/FuzzFailTest.cpp
index 49d5dcac0..3c80e5ccb 100644
--- a/tests/FuzzFailTest.cpp
+++ b/tests/FuzzFailTest.cpp
@@ -63,7 +63,7 @@ TEST_CASE("app_file_gen_fail") {
     CLI::FuzzApp fuzzdata;
     auto app = fuzzdata.generateApp();
 
-    int index = GENERATE(range(1, 4));
+    int index = GENERATE(range(1, 5));
     std::string optionString, flagString;
     auto parseData = loadFailureFile("fuzz_app_file_fail", index);
     if(parseData.size() > 25) {
diff --git a/tests/fuzzFail/fuzz_app_file_fail4 b/tests/fuzzFail/fuzz_app_file_fail4
new file mode 100644
index 000000000..5c801a73f
--- /dev/null
+++ b/tests/fuzzFail/fuzz_app_file_fail4
@@ -0,0 +1 @@
+-ccaaaa
\ No newline at end of file