diff --git a/man7/regex.7 b/man7/regex.7
index 9bdfb6b27..47b36f5ea 100644
--- a/man7/regex.7
+++ b/man7/regex.7
@@ -270,6 +270,7 @@ is current consensus among implementors as to the right interpretation.
 .\" .SH AUTHOR
 .\" This page was taken from Henry Spencer's regex package.
 .SH "SEE ALSO"
+.BR grep (1),
 .BR regex (3)
 .PP
 POSIX.2, section 2.8 (Regular Expression Notation).