diff --git a/include/CLI/App.hpp b/include/CLI/App.hpp
index 0a70bac6..013d2db3 100644
--- a/include/CLI/App.hpp
+++ b/include/CLI/App.hpp
@@ -2413,7 +2413,7 @@ class App {
         }
         // check for section close
         if(item.name == "--") {
-            if(configurable_) {
+            if(configurable_ && parse_complete_callback_) {
                 _process_callbacks();
                 _process_requirements();
                 run_callback();
diff --git a/tests/ConfigFileTest.cpp b/tests/ConfigFileTest.cpp
index 29e6c7cc..8359a9cf 100644
--- a/tests/ConfigFileTest.cpp
+++ b/tests/ConfigFileTest.cpp
@@ -1581,6 +1581,25 @@ TEST_CASE_METHOD(TApp, "DuplicateSubcommandCallbacks", "[config]") {
     CHECK(3 == count);
 }
 
+TEST_CASE_METHOD(TApp, "SubcommandCallbackSingle", "[config]") {
+
+    TempFile tmptoml{"Testtomlcallback.toml"};
+
+    app.set_config("--config", tmptoml);
+
+    {
+        std::ofstream out{tmptoml};
+        out << "[foo]" << std::endl;
+    }
+    int count{0};
+    auto *foo = app.add_subcommand("foo");
+    foo->configurable();
+    foo->callback([&count]() { ++count; });
+
+    run();
+    CHECK(1 == count);
+}
+
 TEST_CASE_METHOD(TApp, "IniFailure", "[config]") {
 
     TempFile tmpini{"TestIniTmp.ini"};