diff --git a/tasks.py b/tasks.py
index c68c31fbf5..be79862793 100644
--- a/tasks.py
+++ b/tasks.py
@@ -274,7 +274,7 @@ def test(c, database=None):
     manage(c, 'check')
 
     # Run coverage tests
-    manage(c, 'test --parallel', pty=True)
+    manage(c, 'test', pty=True)
 
 
 @task
@@ -290,7 +290,7 @@ def coverage(c):
     manage(c, 'check')
 
     # Run coverage tests
-    c.run('coverage run {manage} test {apps}'.format(
+    c.run('coverage run {manage} test {apps} --parallel'.format(
         manage=managePyPath(),
         apps=' '.join(apps())
     ))