diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index 6de0c8f..51fd32d 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -19,6 +19,7 @@
 syscall_src += arch-mips/syscalls/getgroups.S
 syscall_src += arch-mips/syscalls/getpgid.S
 syscall_src += arch-mips/syscalls/getppid.S
+syscall_src += arch-mips/syscalls/getsid.S
 syscall_src += arch-mips/syscalls/setsid.S
 syscall_src += arch-mips/syscalls/setgid.S
 syscall_src += arch-mips/syscalls/__setreuid.S
diff --git a/libc/arch-mips/syscalls/getsid.S b/libc/arch-mips/syscalls/getsid.S
new file mode 100644
index 0000000..2c089ac
--- /dev/null
+++ b/libc/arch-mips/syscalls/getsid.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+    .text
+    .globl getsid
+    .align 4
+    .ent getsid
+
+getsid:
+    .set noreorder
+    .cpload $t9
+    li $v0, __NR_getsid
+    syscall
+    bnez $a3, 1f
+    move $a0, $v0
+    j $ra
+    nop
+1:
+    la $t9,__set_errno
+    j $t9
+    nop
+    .set reorder
+    .end getsid