diff --git a/man/man1/split.1 b/man/man1/split.1
index ffb012d..6e7f7eb 100644
--- a/man/man1/split.1
+++ b/man/man1/split.1
@@ -74,7 +74,7 @@
 force output file names (excluding the suffix)
 to lower case.
 .SH SOURCE
-.B /sys/src/cmd/split.c
+.B /usr/local/plan9/src/cmd/split.c
 .SH SEE ALSO
 .IR sed (1), 
 .IR awk (1),