diff --git a/src/cmd.c b/src/cmd.c
index 7d1185f9c..ad03bff66 100644
--- a/src/cmd.c
+++ b/src/cmd.c
@@ -3693,7 +3693,7 @@ movecmd(char sym, int mode)
         char *mvkeys = (mode == MV_WALK) ? g.Cmd.move :
             ((mode == MV_RUN) ? g.Cmd.run : g.Cmd.rush);
 
-        for (d = N_DIRS; d > DIR_ERR; d--) {
+        for (d = N_DIRS - 1; d > DIR_ERR; d--) {
             if (mode == MV_ANY) {
                 if (sym == g.Cmd.move[d]
                     || sym == g.Cmd.rush[d]