diff --git a/dist/index.html b/dist/index.html
index 4e1a915..a1e27c1 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -2489,18 +2489,20 @@ function spawnExplosion(gameState, count, x, y, color) {
     for(let i = 0; i < count; i++)makeParticle(gameState, x + (Math.random() - 0.5) * gameState.brickWidth / 2, y + (Math.random() - 0.5) * gameState.brickWidth / 2, (Math.random() - 0.5) * 30, (Math.random() - 0.5) * 30, color, false);
 }
 function explosionAt(gameState, index, x, y, ball) {
-    if (gameState.bricks[index] == "black") delete gameState.bricks[index];
-    schedulGameSound(gameState, "explode", ball.x, 1);
-    const col = index % gameState.gridSize;
-    const row = Math.floor(index / gameState.gridSize);
     const size = 1 + gameState.perks.bigger_explosions;
-    // Break bricks around
-    for(let dx = -size; dx <= size; dx++)for(let dy = -size; dy <= size; dy++){
-        const i = (0, _gameUtils.getRowColIndex)(gameState, row + dy, col + dx);
-        if (gameState.bricks[i] && i !== -1) {
-            // Study bricks resist explosions too
-            if (gameState.bricks[i] !== "black" && gameState.perks.sturdy_bricks > Math.random() * 5) continue;
-            explodeBrick(gameState, i, ball, true);
+    schedulGameSound(gameState, "explode", ball.x, 1);
+    if (index !== -1) {
+        if (gameState.bricks[index] == "black") delete gameState.bricks[index];
+        const col = index % gameState.gridSize;
+        const row = Math.floor(index / gameState.gridSize);
+        // Break bricks around
+        for(let dx = -size; dx <= size; dx++)for(let dy = -size; dy <= size; dy++){
+            const i = (0, _gameUtils.getRowColIndex)(gameState, row + dy, col + dx);
+            if (gameState.bricks[i] && i !== -1) {
+                // Study bricks resist explosions too
+                if (gameState.bricks[i] !== "black" && gameState.perks.sturdy_bricks > Math.random() * 5) continue;
+                explodeBrick(gameState, i, ball, true);
+            }
         }
     }
     // Blow nearby coins
diff --git a/src/gameStateMutators.ts b/src/gameStateMutators.ts
index 761c76d..60ff36b 100644
--- a/src/gameStateMutators.ts
+++ b/src/gameStateMutators.ts
@@ -251,29 +251,33 @@ export function explosionAt(
   y: number,
   ball: Ball,
 ) {
-  if (gameState.bricks[index] == "black") delete gameState.bricks[index];
 
+    const size = 1 + gameState.perks.bigger_explosions;
   schedulGameSound(gameState, "explode", ball.x, 1);
+  if(index!==-1){
 
-  const col = index % gameState.gridSize;
-  const row = Math.floor(index / gameState.gridSize);
-  const size = 1 + gameState.perks.bigger_explosions;
-  // Break bricks around
-  for (let dx = -size; dx <= size; dx++) {
-    for (let dy = -size; dy <= size; dy++) {
-      const i = getRowColIndex(gameState, row + dy, col + dx);
-      if (gameState.bricks[i] && i !== -1) {
-        // Study bricks resist explosions too
-        if (
-          gameState.bricks[i] !== "black" &&
-          gameState.perks.sturdy_bricks > Math.random() * 5
-        )
-          continue;
-        explodeBrick(gameState, i, ball, true);
+    if (gameState.bricks[index] == "black") delete gameState.bricks[index];
+
+
+    const col = index % gameState.gridSize;
+    const row = Math.floor(index / gameState.gridSize);
+    // Break bricks around
+    for (let dx = -size; dx <= size; dx++) {
+      for (let dy = -size; dy <= size; dy++) {
+        const i = getRowColIndex(gameState, row + dy, col + dx);
+        if (gameState.bricks[i] && i !== -1) {
+          // Study bricks resist explosions too
+          if (
+            gameState.bricks[i] !== "black" &&
+            gameState.perks.sturdy_bricks > Math.random() * 5
+          )
+            continue;
+          explodeBrick(gameState, i, ball, true);
+        }
       }
     }
-  }
 
+  }
   // Blow nearby coins
   forEachLiveOne(gameState.coins, (c) => {
     const dx = c.x - x;
@@ -997,8 +1001,7 @@ export function gameStateTick(
               clamp(b.y - y, -limit, limit) +
               ((Math.random() - 0.5) * limit) / 3;
 
-            let index = brickIndex(x, y);
-
+            let index = brickIndex(x, y); 
             explosionAt(gameState, index, x, y, a);
           }
         }),