diff --git a/GitX.xcodeproj/project.pbxproj b/GitX.xcodeproj/project.pbxproj
index 39d89d84d..3f288ae6d 100644
--- a/GitX.xcodeproj/project.pbxproj
+++ b/GitX.xcodeproj/project.pbxproj
@@ -1645,6 +1645,7 @@
 		26FC0A850875C7B200E6366F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_CXX_LIBRARY = "libstdc++";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -1666,6 +1667,7 @@
 		26FC0A860875C7B200E6366F /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				CLANG_CXX_LIBRARY = "libstdc++";
 				CLANG_ENABLE_OBJC_ARC = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",