diff --git a/libc/arch-x86/syscalls/mremap.S b/libc/arch-x86/syscalls/___mremap.S
similarity index 69%
rename from libc/arch-x86/syscalls/mremap.S
rename to libc/arch-x86/syscalls/___mremap.S
index 869ef5d..e5e9c54 100644
--- a/libc/arch-x86/syscalls/mremap.S
+++ b/libc/arch-x86/syscalls/___mremap.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(mremap)
+ENTRY(___mremap)
     pushl   %ebx
     .cfi_def_cfa_offset 8
     .cfi_rel_offset ebx, 0
@@ -15,10 +15,14 @@
     pushl   %esi
     .cfi_adjust_cfa_offset 4
     .cfi_rel_offset esi, 0
-    mov     20(%esp), %ebx
-    mov     24(%esp), %ecx
-    mov     28(%esp), %edx
-    mov     32(%esp), %esi
+    pushl   %edi
+    .cfi_adjust_cfa_offset 4
+    .cfi_rel_offset edi, 0
+    mov     24(%esp), %ebx
+    mov     28(%esp), %ecx
+    mov     32(%esp), %edx
+    mov     36(%esp), %esi
+    mov     40(%esp), %edi
     movl    $__NR_mremap, %eax
     int     $0x80
     cmpl    $-MAX_ERRNO, %eax
@@ -28,9 +32,11 @@
     call    __set_errno_internal
     addl    $4, %esp
 1:
+    popl    %edi
     popl    %esi
     popl    %edx
     popl    %ecx
     popl    %ebx
     ret
-END(mremap)
+END(___mremap)
+.hidden ___mremap