diff --git a/Orange/widgets/tests/base.py b/Orange/widgets/tests/base.py
index 117bd5db5fb..a0be2f1dde7 100644
--- a/Orange/widgets/tests/base.py
+++ b/Orange/widgets/tests/base.py
@@ -183,7 +183,7 @@ def process_events(self, until: callable=None, timeout=DEFAULT_TIMEOUT):
         if until is None:
             until = lambda: True
 
-        started = time.clock()
+        started = time.perf_counter()
         while True:
             app.processEvents()
             try:
@@ -192,7 +192,7 @@ def process_events(self, until: callable=None, timeout=DEFAULT_TIMEOUT):
                     return result
             except Exception:  # until can fail with anything; pylint: disable=broad-except
                 pass
-            if (time.clock() - started) * 1000 > timeout:
+            if (time.perf_counter() - started) * 1000 > timeout:
                 raise TimeoutError()
             time.sleep(.05)