diff --git a/modules/python/src2/cv2_util.cpp b/modules/python/src2/cv2_util.cpp
index aca65eae54..d3691d3a59 100644
--- a/modules/python/src2/cv2_util.cpp
+++ b/modules/python/src2/cv2_util.cpp
@@ -54,12 +54,24 @@ PyObject* failmsgp(const char *fmt, ...)
 
 void pyRaiseCVException(const cv::Exception &e)
 {
-    PyObject_SetAttrString(opencv_error, "file", PyString_FromString(e.file.c_str()));
-    PyObject_SetAttrString(opencv_error, "func", PyString_FromString(e.func.c_str()));
-    PyObject_SetAttrString(opencv_error, "line", PyInt_FromLong(e.line));
-    PyObject_SetAttrString(opencv_error, "code", PyInt_FromLong(e.code));
-    PyObject_SetAttrString(opencv_error, "msg", PyString_FromString(e.msg.c_str()));
-    PyObject_SetAttrString(opencv_error, "err", PyString_FromString(e.err.c_str()));
+    PyObject* temp_obj = PyString_FromString(e.file.c_str());
+    PyObject_SetAttrString(opencv_error, "file", temp_obj);
+    Py_DECREF(temp_obj);
+    temp_obj = PyString_FromString(e.func.c_str());
+    PyObject_SetAttrString(opencv_error, "func", temp_obj);
+    Py_DECREF(temp_obj);
+    temp_obj = PyInt_FromLong(e.line);
+    PyObject_SetAttrString(opencv_error, "line", temp_obj);
+    Py_DECREF(temp_obj);
+    temp_obj = PyInt_FromLong(e.code);
+    PyObject_SetAttrString(opencv_error, "code", temp_obj);
+    Py_DECREF(temp_obj);
+    temp_obj = PyString_FromString(e.msg.c_str());
+    PyObject_SetAttrString(opencv_error, "msg", temp_obj);
+    Py_DECREF(temp_obj);
+    temp_obj = PyString_FromString(e.err.c_str());
+    PyObject_SetAttrString(opencv_error, "err", temp_obj);
+    Py_DECREF(temp_obj);
     PyErr_SetString(opencv_error, e.what());
 }