diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index 864dfb6..e7a157e 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -122,6 +122,7 @@
 cc_test {
     name: "malloc_debug_unit_tests",
     test_suites: ["device-tests"],
+    isolated: true,
 
     srcs: [
         "tests/backtrace_fake.cpp",