diff --git a/libc/Android.bp b/libc/Android.bp
index 3ec75ee..38e3e99 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1419,8 +1419,8 @@
         },
     },
     product_variables: {
-        treble: {
-            cflags: ["-D__ANDROID_TREBLE__"],
+        treble_linker_namespaces: {
+            cflags: ["-DTREBLE_LINKER_NAMESPACES"],
         },
     },
     cppflags: ["-Wold-style-cast"],
diff --git a/libc/bionic/__bionic_get_shell_path.cpp b/libc/bionic/__bionic_get_shell_path.cpp
index 41162e9..1352815 100644
--- a/libc/bionic/__bionic_get_shell_path.cpp
+++ b/libc/bionic/__bionic_get_shell_path.cpp
@@ -40,7 +40,7 @@
    * in $PATH for the vendor shell, simply return the system shell.
    */
 
-#ifdef __ANDROID_TREBLE__
+#ifdef TREBLE_LINKER_NAMESPACES
   /* look for /system or /vendor prefix */
   char exe_path[strlen(VENDOR_PREFIX)];
   ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path));