diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index c86d2e7c4..47b7ef885 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -170,8 +170,8 @@ int fallocate|fallocate64(int, int, off_t, off_t) arm64,mips64,x86_64
 # posix_fadvise64 is awkward: arm has shuffled arguments,
 # the POSIX functions don't set errno, and no architecture has posix_fadvise.
 int __arm_fadvise64_64:arm_fadvise64_64(int, int, off64_t, off64_t) arm
-int __fadvise64:fadvise64_64(int, off64_t, off64_t, int) mips,x86
-int __fadvise64:fadvise64(int, off64_t, off64_t, int) arm64,mips64,x86_64
+int __fadvise64:fadvise64_64(int, off64_t, off64_t, int) x86
+int __fadvise64:fadvise64(int, off64_t, off64_t, int) arm64,mips,mips64,x86_64
 
 int __fstatfs64:fstatfs64(int, size_t, struct statfs*)  arm,mips,x86
 int fstatfs64|fstatfs:fstatfs(int, struct statfs*)  arm64,mips64,x86_64
diff --git a/libc/arch-mips/syscalls/__fadvise64.S b/libc/arch-mips/syscalls/__fadvise64.S
index 6d494a169..abacbb2b7 100644
--- a/libc/arch-mips/syscalls/__fadvise64.S
+++ b/libc/arch-mips/syscalls/__fadvise64.S
@@ -5,7 +5,7 @@
 ENTRY(__fadvise64)
     .set noreorder
     .cpload t9
-    li v0, __NR_fadvise64_64
+    li v0, __NR_fadvise64
     syscall
     bnez a3, 1f
     move a0, v0