1 files changed, 3 insertions, 1 deletions

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index b956868fd445..863b61478edd 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1004,8 +1004,10 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
                         return PyErr_NoMemory();
 
                 evsel = perf_evlist__event2evsel(evlist, event);
-                if (!evsel)
+                if (!evsel) {
+                        Py_INCREF(Py_None);
                         return Py_None;
+                }
 
                 pevent->evsel = evsel;