diff --git a/EmulatorPkg/Unix/Host/Host.inf b/EmulatorPkg/Unix/Host/Host.inf
index 02a201a77b..09b4d26603 100644
--- a/EmulatorPkg/Unix/Host/Host.inf
+++ b/EmulatorPkg/Unix/Host/Host.inf
@@ -130,11 +130,11 @@
 # Need to do this link via gcc and not ld as the pathing to libraries changes from OS version to OS version
 #
    XCODE:*_*_IA32_DLINK_PATH == gcc
-   XCODE:*_*_IA32_CC_FLAGS = -I$(WORKSPACE)/EmulatorPkg/Unix/Host/X11IncludeHack
+   XCODE:*_*_IA32_CC_FLAGS = -I$(WORKSPACE)/EmulatorPkg/Unix/Host/X11IncludeHack -Wno-error=unused-but-set-variable
    XCODE:*_*_IA32_DLINK_FLAGS == -arch i386 -o $(BIN_DIR)/Host -L/usr/X11R6/lib -lXext -lX11 -framework Carbon
    XCODE:*_*_IA32_ASM_FLAGS == -arch i386 -g
 
    XCODE:*_*_X64_DLINK_PATH == gcc
-   XCODE:*_*_X64_DLINK_FLAGS == -o $(BIN_DIR)/Host -L/usr/X11R6/lib -lXext -lX11 -framework Carbon -Wl,-no_pie
-   XCODE:*_*_X64_ASM_FLAGS == -g
-   XCODE:*_*_X64_CC_FLAGS = -O0 -target x86_64-apple-darwin -I$(WORKSPACE)/EmulatorPkg/Unix/Host/X11IncludeHack "-DEFIAPI=__attribute__((ms_abi))"
+   XCODE:*_*_X64_DLINK_FLAGS == -arch x86_64 -o $(BIN_DIR)/Host -L/usr/X11R6/lib -lXext -lX11 -framework Carbon -Wl,-no_pie
+   XCODE:*_*_X64_ASM_FLAGS == -arch x86_64 -g
+   XCODE:*_*_X64_CC_FLAGS = -O0 -target x86_64-apple-darwin -I$(WORKSPACE)/EmulatorPkg/Unix/Host/X11IncludeHack "-DEFIAPI=__attribute__((ms_abi))" -Wno-error=unused-but-set-variable