1 files changed, 4 insertions, 2 deletions

diff --git a/procps/nmeter.c b/procps/nmeter.c
index 48a5b4e26..cded67e56 100644
--- a/procps/nmeter.c
+++ b/procps/nmeter.c
@@ -786,8 +786,10 @@ int nmeter_main(int argc, char **argv)
         if (argc != 2)
                 bb_show_usage();
 
-        if (open_read_close("version", buf, sizeof(buf)) > 0)
-                is26 = (strstr(buf, " 2.4.")==NULL);
+        if (open_read_close("version", buf, sizeof(buf)-1) > 0) {
+                buf[sizeof(buf)-1] = '\0';
+                is26 = (strstr(buf, " 2.4.") == NULL);
+        }
 
         // Can use argv[1] directly, but this will mess up
         // parameters as seen by e.g. ps. Making a copy...