diff --git a/tests/jenkins/presubmit.sh b/tests/jenkins/presubmit.sh
index 02833bd03f..e76aa4c67c 100755
--- a/tests/jenkins/presubmit.sh
+++ b/tests/jenkins/presubmit.sh
@@ -46,4 +46,5 @@ cd git/jenkins-gem5-prod/tests
 
 # Build with 4 threads (i.e., pass -j4 to scons)
 # Run 4 tests in parallel
-./main.py run -j4 -t4
+# Look for tests in the gem5 subdirectory
+./main.py run -j4 -t4 gem5