diff --git a/libc/kernel/arch-x86/asm/div64.h b/libc/kernel/arch-x86/asm/div64.h
index 420d9e3..4621ca7 100644
--- a/libc/kernel/arch-x86/asm/div64.h
+++ b/libc/kernel/arch-x86/asm/div64.h
@@ -18,8 +18,13 @@
  ****************************************************************************/
 #ifndef _ASM_X86_DIV64_H
 #define _ASM_X86_DIV64_H
+#ifdef __i386__
 #include <linux/types.h>
-#define do_div(n,base) ({   unsigned long __upper, __low, __high, __mod, __base;   __base = (base);   asm("":"=a" (__low), "=d" (__high):"A" (n));   __upper = __high;   if (__high) {   __upper = __high % (__base);   __high = __high / (__base);   }   asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper));   asm("":"=A" (n):"a" (__low),"d" (__high));   __mod;  })
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define do_div(n,base) ({   unsigned long __upper, __low, __high, __mod, __base;   __base = (base);   asm("":"=a" (__low), "=d" (__high):"A" (n));   __upper = __high;   if (__high) {   __upper = __high % (__base);   __high = __high / (__base);   }   asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper));   asm("":"=A" (n):"a" (__low),"d" (__high));   __mod;  })
 #define div_long_long_rem(a,b,c) div_ll_X_l_rem(a,b,c)
+#else
+#include <asm-generic/div64.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif
 #endif