diff --git a/libc/malloc_hooks/Android.bp b/libc/malloc_hooks/Android.bp
index 77b523e..487f3fb 100644
--- a/libc/malloc_hooks/Android.bp
+++ b/libc/malloc_hooks/Android.bp
@@ -70,6 +70,7 @@
     cflags: [
         "-Wall",
         "-Werror",
+        "-O1",  // FIXME: http://b/169206016 - issues with aligned_alloc and -O2
     ],
     test_suites: ["general-tests"],
 }