diff --git a/src/runner/pythonwrapperutilities.h b/src/runner/pythonwrapperutilities.h
index a55025c..879b8d4 100644
--- a/src/runner/pythonwrapperutilities.h
+++ b/src/runner/pythonwrapperutilities.h
@@ -19,10 +19,8 @@ namespace details {
    */
   template <class ReturnType, class WrapperTypePtr, class Fn, class... Args>
   ReturnType wrapperFunctionImplementation(WrapperTypePtr wrapper, bool apiTransfer, Fn fn, boost::python::object* objPtr, const char *methodName, Args... args) {
-    boost::python::override implementation = [&]() {
-      GILock lock;
-      return wrapper->get_override(methodName);
-    }();
+    GILock lock;
+    auto implementation = wrapper->get_override(methodName);
     if (!implementation) {
       if constexpr (std::is_same_v<Fn, std::nullptr_t>) {
         throw pyexcept::MissingImplementation(wrapper->className, methodName);
@@ -31,8 +29,6 @@ namespace details {
         return std::invoke(fn, wrapper, args...);
       }
     }
-
-    GILock lock;
     try {
       boost::python::object result = implementation(args...);
       if (objPtr) {