diff --git a/xcconfig/NetNewsWire_safariextension_target.xcconfig b/xcconfig/NetNewsWire_safariextension_target.xcconfig
index a56af953f..44654997d 100644
--- a/xcconfig/NetNewsWire_safariextension_target.xcconfig
+++ b/xcconfig/NetNewsWire_safariextension_target.xcconfig
@@ -1,7 +1,7 @@
-CODE_SIGN_IDENTITY[config=Release] = Developer ID Application
-CODE_SIGN_IDENTITY[config=Debug] = -
-DEVELOPMENT_TEAM[config=Release] = M8L2WTLA8W 
-CODE_SIGN_STYLE = Manual
+CODE_SIGN_IDENTITY[config=Release] = Mac Developer
+CODE_SIGN_IDENTITY[config=Debug] = Mac Developer
+DEVELOPMENT_TEAM[config=Release] = M8L2WTLA8W
+CODE_SIGN_STYLE = Automatic
 PROVISIONING_PROFILE_SPECIFIER =
 
 // developers can locally override the Xcode settings for code signing