diff --git a/tests/dlfcn_test.cpp b/tests/dlfcn_test.cpp
index 434e38f..3459a56 100644
--- a/tests/dlfcn_test.cpp
+++ b/tests/dlfcn_test.cpp
@@ -101,6 +101,8 @@
 
   void* sym;
 
+  // lp64 RTLD_DEFAULT=(void*)0
+#if !defined(__LP64__)
   // NULL handle.
   sym = dlsym(NULL, "test");
   ASSERT_TRUE(sym == NULL);
@@ -109,6 +111,7 @@
 #else
   ASSERT_SUBSTR("undefined symbol: test", dlerror()); // glibc isn't specific about the failure.
 #endif
+#endif // !defined(__LP64__)
 
   // NULL symbol name.
 #if defined(__BIONIC__)