diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py
index 6388ee1..3c4810a 100755
--- a/libc/tools/gensyscalls.py
+++ b/libc/tools/gensyscalls.py
@@ -121,6 +121,8 @@
 mips_call = "/* " + warning + " */\n" + \
 """
 #include <asm/unistd.h>
+#include <machine/asm.h>
+#include <machine/regdef.h>
     .text
     .globl %(func)s
     .align 4
@@ -128,16 +130,16 @@
 
 %(func)s:
     .set noreorder
-    .cpload $t9
-    li $v0, %(__NR_name)s
+    .cpload t9
+    li v0, %(__NR_name)s
     syscall
-    bnez $a3, 1f
-    move $a0, $v0
-    j $ra
+    bnez a3, 1f
+    move a0, v0
+    j ra
     nop
 1:
-    la $t9,__set_errno
-    j $t9
+    la t9,__set_errno
+    j t9
     nop
     .set reorder
     .end %(func)s