diff --git a/MessageKit.xcodeproj/project.pbxproj b/MessageKit.xcodeproj/project.pbxproj
index cfaac857..72509f16 100644
--- a/MessageKit.xcodeproj/project.pbxproj
+++ b/MessageKit.xcodeproj/project.pbxproj
@@ -577,11 +577,11 @@
 			};
 			buildConfigurationList = 88916B1C1CF0DF2F00469F91 /* Build configuration list for PBXProject "MessageKit" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
-				English,
 				en,
+				Base,
 			);
 			mainGroup = 88916B181CF0DF2F00469F91;
 			productRefGroup = 88916B231CF0DF2F00469F91 /* Products */;