diff --git a/mac_build/boinc.xcodeproj/project.pbxproj b/mac_build/boinc.xcodeproj/project.pbxproj
index 9fa227fed3..f144d0156e 100755
--- a/mac_build/boinc.xcodeproj/project.pbxproj
+++ b/mac_build/boinc.xcodeproj/project.pbxproj
@@ -190,6 +190,7 @@
 		DD531BC60C193D3800742E50 /* MacInstaller.icns in Resources */ = {isa = PBXBuildFile; fileRef = DD531BC50C193D3800742E50 /* MacInstaller.icns */; };
 		DD531BC80C193D5200742E50 /* MacUninstaller.icns in Resources */ = {isa = PBXBuildFile; fileRef = DD531BC70C193D5200742E50 /* MacUninstaller.icns */; };
 		DD5A3F17142877A5008148CA /* thread.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DD5A3F15142877A5008148CA /* thread.cpp */; };
+		DD5ACB0217EDB362001547B2 /* thread.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DD5A3F15142877A5008148CA /* thread.cpp */; };
 		DD5BF77D0D4F3D0C00EDF980 /* mac_icon.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DD6381450870DB78007A2F8E /* mac_icon.cpp */; };
 		DD5FE1B517828887003339DF /* translate.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DDF9350F176B0D0C00A2793C /* translate.cpp */; };
 		DD6381F90870DD83007A2F8E /* make_app_icon_h.cpp in Sources */ = {isa = PBXBuildFile; fileRef = DD6381F80870DD83007A2F8E /* make_app_icon_h.cpp */; };
@@ -3392,6 +3393,7 @@
 				DDE17420166746F70059083A /* app_config.cpp in Sources */,
 				DD3157C316740D5300B6C909 /* gpu_intel.cpp in Sources */,
 				DD76BF9517CB45D20075936D /* opencl_boinc.cpp in Sources */,
+				DD5ACB0217EDB362001547B2 /* thread.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};