diff --git a/compat/linux/sys/user.h b/compat/linux/sys/user.h
index 197c1dd1..0ce5338b 100644
--- a/compat/linux/sys/user.h
+++ b/compat/linux/sys/user.h
@@ -20,9 +20,11 @@
 #include <features.h>
 
 // glibc for 64-bit ARM uses different names for these structs prior to 2.20.
-#if defined(__arm64__) && defined(__GLIBC__) && !__GLIBC_PREREQ(2, 20)
+#if defined(__arm64__) && defined(__GLIBC__)
+#if !__GLIBC_PREREQ(2, 20)
 using user_regs_struct = user_pt_regs;
 using user_fpsimd_struct = user_fpsimd_state;
 #endif
+#endif
 
 #endif  // CRASHPAD_COMPAT_LINUX_SYS_USER_H_