diff --git a/IPython/core/tests/test_prefilter.py b/IPython/core/tests/test_prefilter.py
index 16ff6d6..83d8e90 100644
--- a/IPython/core/tests/test_prefilter.py
+++ b/IPython/core/tests/test_prefilter.py
@@ -28,6 +28,7 @@ def test_prefilter_shadowed():
 
     prev_automagic_state = ip.automagic
     ip.automagic = True
+    ip.autocall = 0
 
     try:
         # These should not be transformed - they are shadowed by other names