diff --git a/single.php b/single.php
index a61a41c..5900446 100644
--- a/single.php
+++ b/single.php
@@ -115,9 +115,10 @@
 										marker.setVisible(true);
 										bounds.extend(marker.getPosition());
 									}
-									this.map.fitBounds(bounds);
-									if(this.map.getZoom() > 15)
-										this.map.setZoom(15);
+									map.fitBounds(bounds);
+									if(map.getZoom() > 15){
+										map.setZoom(15);
+									}
 								}
 							</script>
 						</div>