diff --git a/statistics-airline.php b/statistics-airline.php
index 95085dcd..425e64be 100644
--- a/statistics-airline.php
+++ b/statistics-airline.php
@@ -64,7 +64,7 @@ function drawChart() {
 		print '<td><strong>'.$i.'</strong></td>';
 		print '<td class="logo">';
 		print '<a href="'.$globalURL.'/airline/'.$airline_item['airline_icao'].'"><img src="';
-		if ($globalIVAO && @getimagesize($globalURL.'/images/airlines/'.$airline_item['airline_icao'].'.gif'))
+		if (isset($globalIVAO) && $globalIVAO && (@getimagesize($globalURL.'/images/airlines/'.$airline_item['airline_icao'].'.gif') || @getimagesize('images/airlines/'.$airline_item['airline_icao'].'.gif')))
 		{
 			print $globalURL.'/images/airlines/'.$airline_item['airline_icao'].'.gif';
 		} elseif (@getimagesize($globalURL.'/images/airlines/'.$airline_item['airline_icao'].'.png'))
diff --git a/table-output.php b/table-output.php
index 155b46bd..67e0bac8 100644
--- a/table-output.php
+++ b/table-output.php
@@ -408,12 +408,12 @@
 			print '</td>'."\n";
 		}
 	}
-	if ($globalIVAO && @getimagesize('images/airlines/'.$spotter_item['airline_icao'].'.gif') || @getimagesize($globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.gif'))
+	if (isset($globalIVAO) && $globalIVAO && (@getimagesize('images/airlines/'.$spotter_item['airline_icao'].'.gif') || @getimagesize($globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.gif')))
 	{
 		print '<td class="logo">'."\n";
 		print '<a href="'.$globalURL.'/airline/'.$spotter_item['airline_icao'].'"><img src="'.$globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.gif" alt="Click to see airline information" title="Click to see airline information" /></a>'."\n";
 		print '</td>'."\n";
-	} elseif (!$globalIVAO && @getimagesize('images/airlines/'.$spotter_item['airline_icao'].'.png') || @getimagesize($globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.png'))
+	} elseif ((!isset($globalIVAO) || !$globalIVAO) && (@getimagesize('images/airlines/'.$spotter_item['airline_icao'].'.png') || @getimagesize($globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.png')))
 	{
 		print '<td class="logo">'."\n";
 		print '<a href="'.$globalURL.'/airline/'.$spotter_item['airline_icao'].'"><img src="'.$globalURL.'/images/airlines/'.$spotter_item['airline_icao'].'.png" alt="Click to see airline information" title="Click to see airline information" /></a>'."\n";