diff --git a/sysdeps/unix/bsd/sun/sunos4/Dist b/sysdeps/unix/bsd/sun/sunos4/Dist
index d7500fde41..f1c9046516 100644
--- a/sysdeps/unix/bsd/sun/sunos4/Dist
+++ b/sysdeps/unix/bsd/sun/sunos4/Dist
@@ -1 +1,2 @@
 sys_wait4.S
+sys_mmap.S