diff --git a/src/pocketmine/level/Explosion.php b/src/pocketmine/level/Explosion.php
index 301c52808..693a2e2e0 100644
--- a/src/pocketmine/level/Explosion.php
+++ b/src/pocketmine/level/Explosion.php
@@ -201,7 +201,7 @@ class Explosion{
 
 			$pos = new Vector3($block->x, $block->y, $block->z);
 
-			for($side = 0; $side < 5; $side++){
+			for($side = 0; $side <= 5; $side++){
 				$sideBlock = $pos->getSide($side);
 				if(!isset($this->affectedBlocks[$index = Level::blockHash($sideBlock->x, $sideBlock->y, $sideBlock->z)]) and !isset($updateBlocks[$index])){
 					$this->level->getServer()->getPluginManager()->callEvent($ev = new BlockUpdateEvent($this->level->getBlock($sideBlock)));