diff --git a/tests/coverage/upload_codecov.py b/tests/coverage/upload_codecov.py
index 0e88c6386..33c2529cd 100644
--- a/tests/coverage/upload_codecov.py
+++ b/tests/coverage/upload_codecov.py
@@ -7,10 +7,10 @@
     max_tries = 10
     num_tries = 1
     cmd = 'codecov --required'
-    rc = call(cmd)
+    rc = call(cmd, shell=True)
     while rc != 0 and num_tries < max_tries:
         time.sleep(5)
-        rc = call(cmd)
+        rc = call(cmd, shell=True)
         num_tries += 1
 
     raise SystemExit(rc)