diff --git a/libc/arch-arm/syscalls/adjtimex.S b/libc/arch-arm/syscalls/adjtimex.S
new file mode 100644
index 0000000..614036e
--- /dev/null
+++ b/libc/arch-arm/syscalls/adjtimex.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(adjtimex)
+    mov     ip, r7
+    ldr     r7, =__NR_adjtimex
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno_internal
+END(adjtimex)