diff --git a/libc/arch-arm/krait/bionic/memcpy.S b/libc/arch-arm/krait/bionic/memcpy.S
index 189a097..de6f432 100644
--- a/libc/arch-arm/krait/bionic/memcpy.S
+++ b/libc/arch-arm/krait/bionic/memcpy.S
@@ -44,9 +44,14 @@
 
 ENTRY(__memcpy_chk)
         cmp         r2, r3
-        bhi         .L_memcpy_chk_fail
+        bls         memcpy
 
-        // Fall through to memcpy...
+        // Preserve lr for backtrace.
+        push        {lr}
+        .cfi_def_cfa_offset 4
+        .cfi_rel_offset lr, 0
+
+        bl          __memcpy_chk_fail
 END(__memcpy_chk)
 
 ENTRY(memcpy)
@@ -57,25 +62,4 @@
         .cfi_rel_offset lr, 4
 
 #include "memcpy_base.S"
-
-        // Undo the cfi directives from above.
-        .cfi_adjust_cfa_offset -8
-        .cfi_restore r0
-        .cfi_restore lr
-.L_memcpy_chk_fail:
-        // Preserve lr for backtrace.
-        push    {lr}
-        .cfi_adjust_cfa_offset 4
-        .cfi_rel_offset lr, 0
-
-        ldr     r0, error_message
-1:
-        add     r0, pc
-        bl      __fortify_fatal
-error_message:
-        .word   error_string-(1b+4)
 END(memcpy)
-
-        .data
-error_string:
-        .string     "memcpy: prevented write past end of buffer"