diff --git a/template/template/ios/HelloWorld.xcodeproj/project.pbxproj b/template/template/ios/HelloWorld.xcodeproj/project.pbxproj
index eed4345..dd7e5f8 100644
--- a/template/template/ios/HelloWorld.xcodeproj/project.pbxproj
+++ b/template/template/ios/HelloWorld.xcodeproj/project.pbxproj
@@ -578,6 +578,7 @@
 					"-DFOLLY_MOBILE=1",
 					"-DFOLLY_USE_LIBCPP=1",
 					"-DFOLLY_CFG_NO_COROUTINES=1",
+					"-DFOLLY_HAVE_CLOCK_GETTIME=1",
 				);
 				SDKROOT = iphoneos;
 			};
@@ -642,6 +643,7 @@
 					"-DFOLLY_MOBILE=1",
 					"-DFOLLY_USE_LIBCPP=1",
 					"-DFOLLY_CFG_NO_COROUTINES=1",
+					"-DFOLLY_HAVE_CLOCK_GETTIME=1",
 				);
 				SDKROOT = iphoneos;
 				VALIDATE_PRODUCT = YES;