diff --git a/libc/arch-arm/syscalls/setresuid.S b/libc/arch-arm/syscalls/__setresuid.S
similarity index 81%
rename from libc/arch-arm/syscalls/setresuid.S
rename to libc/arch-arm/syscalls/__setresuid.S
index 266c1a1..7710772 100644
--- a/libc/arch-arm/syscalls/setresuid.S
+++ b/libc/arch-arm/syscalls/__setresuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setresuid, #function
-    .globl setresuid
+    .type __setresuid, #function
+    .globl __setresuid
     .align 4
     .fnstart
 
-setresuid:
+__setresuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setresuid32
diff --git a/libc/arch-arm/syscalls/setreuid.S b/libc/arch-arm/syscalls/__setreuid.S
similarity index 82%
rename from libc/arch-arm/syscalls/setreuid.S
rename to libc/arch-arm/syscalls/__setreuid.S
index 0f94b47..0c68866 100644
--- a/libc/arch-arm/syscalls/setreuid.S
+++ b/libc/arch-arm/syscalls/__setreuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setreuid, #function
-    .globl setreuid
+    .type __setreuid, #function
+    .globl __setreuid
     .align 4
     .fnstart
 
-setreuid:
+__setreuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setreuid32
diff --git a/libc/arch-arm/syscalls/setuid.S b/libc/arch-arm/syscalls/__setuid.S
similarity index 83%
rename from libc/arch-arm/syscalls/setuid.S
rename to libc/arch-arm/syscalls/__setuid.S
index 31cf446..efc6e56 100644
--- a/libc/arch-arm/syscalls/setuid.S
+++ b/libc/arch-arm/syscalls/__setuid.S
@@ -2,12 +2,12 @@
 #include <sys/linux-syscalls.h>
 
     .text
-    .type setuid, #function
-    .globl setuid
+    .type __setuid, #function
+    .globl __setuid
     .align 4
     .fnstart
 
-setuid:
+__setuid:
     .save   {r4, r7}
     stmfd   sp!, {r4, r7}
     ldr     r7, =__NR_setuid32