diff --git a/Nimble.xcodeproj/project.pbxproj b/Nimble.xcodeproj/project.pbxproj
index 337817877..258c7197e 100644
--- a/Nimble.xcodeproj/project.pbxproj
+++ b/Nimble.xcodeproj/project.pbxproj
@@ -1860,7 +1860,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				METAL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				SDKROOT = iphoneos;
+				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.2;
@@ -1917,7 +1917,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				METAL_ENABLE_DEBUG_INFO = NO;
 				OTHER_SWIFT_FLAGS = "$(inherited) -suppress-warnings";
-				SDKROOT = iphoneos;
+				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
 				SWIFT_VERSION = 4.2;
@@ -1950,7 +1950,6 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				ONLY_ACTIVE_ARCH = NO;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-weak_framework",
@@ -1962,6 +1961,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "net.jeffhui.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_MODULE_NAME = Nimble;
 				PRODUCT_NAME = Nimble;
+				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -2001,6 +2001,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "net.jeffhui.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_MODULE_NAME = Nimble;
 				PRODUCT_NAME = Nimble;
+				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				TARGETED_DEVICE_FAMILY = "1,2";