diff --git a/xcconfig/NetNewsWire_macapp_target.xcconfig b/xcconfig/NetNewsWire_macapp_target.xcconfig
index fa302be5f..9065dd1b6 100644
--- a/xcconfig/NetNewsWire_macapp_target.xcconfig
+++ b/xcconfig/NetNewsWire_macapp_target.xcconfig
@@ -1,6 +1,7 @@
 CODE_SIGN_IDENTITY = Mac Developer
 DEVELOPMENT_TEAM = M8L2WTLA8W
 CODE_SIGN_STYLE = Automatic
+ORGANIZATION_IDENTIFIER = com.ranchero
 PROVISIONING_PROFILE_SPECIFIER =
 
 // developers can locally override the Xcode settings for code signing
diff --git a/xcconfig/NetNewsWire_safariextension_target.xcconfig b/xcconfig/NetNewsWire_safariextension_target.xcconfig
index d77bb41e7..6c536de2b 100644
--- a/xcconfig/NetNewsWire_safariextension_target.xcconfig
+++ b/xcconfig/NetNewsWire_safariextension_target.xcconfig
@@ -1,6 +1,7 @@
 CODE_SIGN_IDENTITY = Mac Developer
 DEVELOPMENT_TEAM = M8L2WTLA8W
 CODE_SIGN_STYLE = Automatic
+ORGANIZATION_IDENTIFIER = com.ranchero
 PROVISIONING_PROFILE_SPECIFIER =
 
 // developers can locally override the Xcode settings for code signing