diff --git a/libc/arch-x86/syscalls/__fchmod.S b/libc/arch-x86/syscalls/___fchmod.S
similarity index 91%
rename from libc/arch-x86/syscalls/__fchmod.S
rename to libc/arch-x86/syscalls/___fchmod.S
index 7ad213e..119a695 100644
--- a/libc/arch-x86/syscalls/__fchmod.S
+++ b/libc/arch-x86/syscalls/___fchmod.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(__fchmod)
+ENTRY(___fchmod)
     pushl   %ebx
     .cfi_def_cfa_offset 8
     .cfi_rel_offset ebx, 0
@@ -23,4 +23,5 @@
     popl    %ecx
     popl    %ebx
     ret
-END(__fchmod)
+END(___fchmod)
+.hidden ___fchmod
diff --git a/libc/arch-x86/syscalls/__fchmodat.S b/libc/arch-x86/syscalls/___fchmodat.S
similarity index 91%
rename from libc/arch-x86/syscalls/__fchmodat.S
rename to libc/arch-x86/syscalls/___fchmodat.S
index f03c03f..b15bb64 100644
--- a/libc/arch-x86/syscalls/__fchmodat.S
+++ b/libc/arch-x86/syscalls/___fchmodat.S
@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(__fchmodat)
+ENTRY(___fchmodat)
     pushl   %ebx
     .cfi_def_cfa_offset 8
     .cfi_rel_offset ebx, 0
@@ -28,4 +28,5 @@
     popl    %ecx
     popl    %ebx
     ret
-END(__fchmodat)
+END(___fchmodat)
+.hidden ___fchmodat