diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -407,6 +407,7 @@
 	ffclock.2 ffclock_setestimate.2
 MLINKS+=fhlink.2 fhlinkat.2
 MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2
+MLINKS+=fork.2 _Fork.2
 MLINKS+=fsync.2 fdatasync.2
 MLINKS+=getdirentries.2 getdents.2
 MLINKS+=getfh.2 lgetfh.2 \