1 files changed, 3 insertions, 2 deletions

diff --git a/procps/watch.c b/procps/watch.c
index 2ad0564cd..b2adcd5ce 100644
--- a/procps/watch.c
+++ b/procps/watch.c
@@ -28,7 +28,7 @@ int watch_main(int argc, char **argv)
 {
         unsigned opt;
         unsigned period = 2;
-        unsigned cmdlen = 1; // 1 for terminal NUL
+        unsigned cmdlen;
         char *header = NULL;
         char *cmd;
         char *tmp;
@@ -42,6 +42,7 @@ int watch_main(int argc, char **argv)
         argv += optind;
 
         p = argv;
+        cmdlen = 1; // 1 for terminal NUL
         while (*p)
                 cmdlen += strlen(*p++) + 1;
         tmp = cmd = xmalloc(cmdlen);
@@ -58,7 +59,7 @@ int watch_main(int argc, char **argv)
                         char *thyme;
                         time_t t;
 
-                        get_terminal_width_height(STDOUT_FILENO, &width, 0);
+                        get_terminal_width_height(STDIN_FILENO, &width, 0);
                         header = xrealloc(header, width--);
                         // '%-*s' pads header with spaces to the full width
                         snprintf(header, width, "Every %ds: %-*s", period, width, cmd);