--- a/Sources/IncomingHttpRequestFilter.cpp	Wed Aug 30 11:49:59 2023 +0200
+++ b/Sources/IncomingHttpRequestFilter.cpp	Wed Aug 30 11:52:45 2023 +0200
@@ -51,11 +51,15 @@
     }
 
     PythonObject kw(lock, PyDict_New());
-    PyDict_SetItemString(kw.GetPyObject(), "method", PyLong_FromLong(method));
+
+    {
+      PythonObject tmp(lock, PyLong_FromLong(method));
+      PyDict_SetItemString(kw.GetPyObject(), "method", tmp.GetPyObject());
+    }
 
     {
       PythonString str(lock, ip);
-      PyDict_SetItemString(kw.GetPyObject(), "ip", str.Release());
+      PyDict_SetItemString(kw.GetPyObject(), "ip", str.GetPyObject());
     }
 
     {
@@ -64,10 +68,10 @@
       for (uint32_t i = 0; i < headersCount; i++)
       {
         PythonString str(lock, headersValues[i]);
-        PyDict_SetItemString(headers.GetPyObject(), headersKeys[i], str.Release());
+        PyDict_SetItemString(headers.GetPyObject(), headersKeys[i], str.GetPyObject());
       }
 
-      PyDict_SetItemString(kw.GetPyObject(), "headers", headers.Release());
+      PyDict_SetItemString(kw.GetPyObject(), "headers", headers.GetPyObject());
     }
 
     if (method == OrthancPluginHttpMethod_Get)
@@ -77,10 +81,10 @@
       for (uint32_t i = 0; i < getArgumentsCount; i++)
       {
         PythonString str(lock, getArgumentsValues[i]);
-        PyDict_SetItemString(getArguments.GetPyObject(), getArgumentsKeys[i], str.Release());
+        PyDict_SetItemString(getArguments.GetPyObject(), getArgumentsKeys[i], str.GetPyObject());
       }
 
-      PyDict_SetItemString(kw.GetPyObject(), "get", getArguments.Release());
+      PyDict_SetItemString(kw.GetPyObject(), "get", getArguments.GetPyObject());
     }
     
     PythonObject result(lock, PyObject_Call(incomingHttpRequestFilter_,