diff --git a/src/pmf/PMFLevel.php b/src/pmf/PMFLevel.php
index f4babf92e..20d50e7ff 100644
--- a/src/pmf/PMFLevel.php
+++ b/src/pmf/PMFLevel.php
@@ -228,15 +228,11 @@ class PMFLevel extends PMF{
 		if(!file_exists($path)){
 			if($this->generateChunk($X, $Z) === false){
 				return false;
-			}else{
+			}elseif($this->isGenerating === 0){
 				$this->populateChunk($X, $Z);
 				return true;			
 			}
 		}
-		
-		if($this->isGenerating === 0 and !$this->isPopulated($X, $Z)){
-			$this->populateChunk($X, $Z);
-		}
 	
 		$chunk = @gzopen($path, "rb");
 		if($chunk === false){
@@ -261,6 +257,9 @@ class PMFLevel extends PMF{
 			}
 		}
 		@gzclose($chunk);
+		if($this->isGenerating === 0 and !$this->isPopulated($X, $Z)){
+			$this->populateChunk($X, $Z);
+		}
 		return true;
 	}