diff --git a/bin/run_test.py b/bin/run_test.py
index bb5cd6db..746061c4 100755
--- a/bin/run_test.py
+++ b/bin/run_test.py
@@ -10,7 +10,8 @@ def single_run(test_project):
     )
 
     # clean up
-    shutil.rmtree('wheelhouse')
+    if os.path.exists('wheelhouse'):
+        shutil.rmtree('wheelhouse')
 
 if __name__ == '__main__':
     import argparse