diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index a4ff5d4..0cb4cca 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -139,5 +139,6 @@
         "-Wall",
         "-Werror",
         "-Wno-error=format-zero-length",
+        "-O0",
     ],
 }