diff --git a/libc/tools/gensyscalls.py b/libc/tools/gensyscalls.py
index 21d2f1d..0226acd 100755
--- a/libc/tools/gensyscalls.py
+++ b/libc/tools/gensyscalls.py
@@ -111,11 +111,10 @@
 """ + arm_footer
 
 arm_eabi_call_default = arm_header + """\
-    .save   {r4, r7}
-    stmfd   sp!, {r4, r7}
+    mov     ip, r7
     ldr     r7, =%(idname)s
     swi     #0
-    ldmfd   sp!, {r4, r7}
+    mov     r7, ip
     movs    r0, r0
     bxpl    lr
     b       __set_syscall_errno