diff --git a/libc/private/__get_tls.h b/libc/private/__get_tls.h
index 5f9451d..04c5fdb 100644
--- a/libc/private/__get_tls.h
+++ b/libc/private/__get_tls.h
@@ -29,11 +29,10 @@
 #ifndef __BIONIC_PRIVATE_GET_TLS_H_
 #define __BIONIC_PRIVATE_GET_TLS_H_
 
-#if defined(__arm__)
-# define __get_tls() \
-    ({ void** __val; \
-       __asm__("mrc p15, 0, %0, c13, c0, 3" : "=r"(__val)); \
-       __val; })
+#if defined(__aarch64__)
+# define __get_tls() ({ void** __val; __asm__("mrs %0, tpidr_el0" : "=r"(__val)); __val; })
+#elif defined(__arm__)
+# define __get_tls() ({ void** __val; __asm__("mrc p15, 0, %0, c13, c0, 3" : "=r"(__val)); __val; })
 #elif defined(__mips__)
 # define __get_tls() \
     /* On mips32r1, this goes via a kernel illegal instruction trap that's optimized for v1. */ \
@@ -44,15 +43,9 @@
                ".set    pop\n" : "=r"(__val)); \
        __val; })
 #elif defined(__i386__)
-# define __get_tls() \
-    ({ void** __val; \
-       __asm__("movl %%gs:0, %0" : "=r"(__val)); \
-       __val; })
+# define __get_tls() ({ void** __val; __asm__("movl %%gs:0, %0" : "=r"(__val)); __val; })
 #elif defined(__x86_64__)
-# define __get_tls() \
-    ({ void** __val; \
-       __asm__("mov %%fs:0, %0" : "=r"(__val)); \
-       __val; })
+# define __get_tls() ({ void** __val; __asm__("mov %%fs:0, %0" : "=r"(__val)); __val; })
 #else
 #error unsupported architecture
 #endif