1 files changed, 2 insertions, 1 deletions

diff --git a/src/usr.bin/nc/netcat.c b/src/usr.bin/nc/netcat.c
index eb4351dbe1..ad9f6ce862 100644
--- a/src/usr.bin/nc/netcat.c
+++ b/src/usr.bin/nc/netcat.c
@@ -1338,8 +1338,9 @@ main(argc, argv)
                 argv[1] = cp;   /* head of new arg block */
                 fprintf(stderr, "Cmd line: ");
                 fflush(stderr); /* I dont care if it's unbuffered or not! */
-                insaved = read(0, cp, BIGSIZ);  /* we're gonna fake fgets()
+                insaved = read(0, cp, BIGSIZ-1); /* we're gonna fake fgets()
                                                  * here */
+                cp[BIGSIZ-1] = '\0';
                 if (insaved <= 0)
                         bail("wrong");
                 x = findline(cp, insaved);