diff --git a/Charts.xcodeproj/project.pbxproj b/Charts.xcodeproj/project.pbxproj
index 293966f73f..99276cba58 100644
--- a/Charts.xcodeproj/project.pbxproj
+++ b/Charts.xcodeproj/project.pbxproj
@@ -1250,6 +1250,7 @@
 		06165F391D8110E700722320 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -1268,6 +1269,7 @@
 		06165F3A1D8110E700722320 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -1316,6 +1318,7 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 063FF0401D8CC9940094A042 /* Carthage.xcconfig */;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
@@ -1336,6 +1339,7 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 063FF0401D8CC9940094A042 /* Carthage.xcconfig */;
 			buildSettings = {
+				APPLICATION_EXTENSION_API_ONLY = YES;
 				COMBINE_HIDPI_IMAGES = YES;
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;