diff --git a/xcconfig/NetNewsWireTests_target.xcconfig b/xcconfig/NetNewsWireTests_target.xcconfig
index 1ae0ee28b..fb6499ed2 100644
--- a/xcconfig/NetNewsWireTests_target.xcconfig
+++ b/xcconfig/NetNewsWireTests_target.xcconfig
@@ -1,6 +1,6 @@
 CODE_SIGN_IDENTITY = Developer ID Application
 DEVELOPMENT_TEAM = M8L2WTLA8W
-CODE_SIGN_STYLE = Automatic
+CODE_SIGN_STYLE = Manual
 
 // See the notes in NetNewsWire_target.xcconfig on why the
 // DeveloperSettings.xcconfig is #included here