diff --git a/class.php b/class.php
index b317661..680e27c 100644
--- a/class.php
+++ b/class.php
@@ -86,14 +86,20 @@ class ps4 {
 			$sql = "UPDATE game_thumbnail SET thumbnail_url = '".$url."' WHERE game_id = '".$gameid."';";
 		}
 
-		$result = $this->mysql_conn($sql);
-		if ($result == 1) {
-			echo "<strong>SUCCESS:</strong> Updated image URL for <strong>". $gamename ."</strong> (". $gameid .")";
+		if (($url == "") or ($url == "null")) {
+			echo "<strong>ERROR:</strong> No URL specified.";
 			echo "<br/><br/>";
 		} else {
-			echo "<strong>ERROR:</strong> Can't update image URL for <strong>". $gamename ."</strong> (". $gameid .")";
-			echo "<br/><br/>";
+			$result = $this->mysql_conn($sql);
+			if ($result == 1) {
+				echo "<strong>SUCCESS:</strong> Updated image URL for <strong>". $gamename ."</strong> (". $gameid .")";
+				echo "<br/><br/>";
+			} else {
+				echo "<strong>ERROR:</strong> Can't update image URL for <strong>". $gamename ."</strong> (". $gameid .")";
+				echo "<br/><br/>";
+			}
 		}
+
 	}
 
 }