diff --git a/battleships.c b/battleships.c
index 700de90..ca5414e 100644
--- a/battleships.c
+++ b/battleships.c
@@ -232,7 +232,7 @@ void update_state(struct state * state, struct position pos) {
   int letter_count = 0;
   for (int x = 0; x < BOARD_SIZE; ++x) {
     for (int y = 0; y < BOARD_SIZE; ++y) {
-      if (isalpha(state->board[pos.y][pos.x])) {
+      if (isalpha(state->board[y][x])) {
         letter_count += 1;
       }
     }