diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -2860,7 +2860,8 @@
 
             tests = [self._gettest(d, i) for i, d in enumerate(testdescs)]
 
-            jobs = min(len(tests), self.options.jobs)
+            jobs = min(len(tests) * self.options.runs_per_test,
+                       self.options.jobs)
 
             failed = False
             kws = self.options.keywords