diff --git a/apple/RetroArch_OSX.xcodeproj/project.pbxproj b/apple/RetroArch_OSX.xcodeproj/project.pbxproj
index aafe65b861..4a8fd9e606 100644
--- a/apple/RetroArch_OSX.xcodeproj/project.pbxproj
+++ b/apple/RetroArch_OSX.xcodeproj/project.pbxproj
@@ -323,6 +323,7 @@
 					"-DSINC_LOWER_QUALITY",
 					"-DHAVE_NETPLAY",
 					"-DRARCH_INTERNAL",
+					"-DHAVE_THREADS",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
@@ -377,6 +378,7 @@
 					"-DSINC_LOWER_QUALITY",
 					"-DHAVE_NETPLAY",
 					"-DRARCH_INTERNAL",
+					"-DHAVE_THREADS",
 				);
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;