diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh
index c12a5530..5a6a8fce 100644
--- a/scripts/build/libc/glibc.sh
+++ b/scripts/build/libc/glibc.sh
@@ -529,7 +529,7 @@ do_libc_locales() {
     # To build locales, we'd need to build glibc for the build machine.
     # Bail out if the host is not supported.
     case "${CT_BUILD}" in
-        *-cygwin)
+        *-cygwin|*-darwin*)
             CT_DoLog EXTRA "Skipping GNU libc locales: incompatible build machine"
             return
             ;;