1 files changed, 2 insertions, 0 deletions
diff --git a/mines.js b/mines.js
index beae4d8..872bf51 100644
--- a/mines.js
+++ b/mines.js
@@ -189,6 +189,8 @@ Board.prototype = {
 		let n = this.numAround(x, y);
 		let e = this.getMineEl(x, y);
 		
+		if(e.textContent == "!") return;
+		
 		e.className = "chkd";
 		
 		if(n !== 0){