diff --git a/telnet/commands.c b/telnet/commands.c
index 636fb5c..c0cc9b9 100644
--- a/telnet/commands.c
+++ b/telnet/commands.c
@@ -2217,11 +2217,11 @@ cmdrc(char *m1, char *m2)
 	    if (isspace(line[0]))
 		continue;
 	    if (strncasecmp(line, m1, l1) == 0)
-		strncpy(line, &line[l1], sizeof(line) - l1);
+		memmove(line, &line[l1], sizeof(line) - l1);
 	    else if (strncasecmp(line, m2, l2) == 0)
-		strncpy(line, &line[l2], sizeof(line) - l2);
+		memmove(line, &line[l2], sizeof(line) - l2);
 	    else if (strncasecmp(line, "DEFAULT", 7) == 0)
-		strncpy(line, &line[7], sizeof(line) - 7);
+		memmove(line, &line[7], sizeof(line) - 7);
 	    else
 		continue;
 	    if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')