diff --git a/core/model/modx/sources/modmediasource.class.php b/core/model/modx/sources/modmediasource.class.php
index c347fbebe47..bc5b65ec967 100644
--- a/core/model/modx/sources/modmediasource.class.php
+++ b/core/model/modx/sources/modmediasource.class.php
@@ -1500,21 +1500,22 @@ public function setProperties($properties, $merge = false)
      */
     public function prepareSrcForThumb($src)
     {
-        try {
-            if (!$this->filesystem->has($src)) {
+        if (substr($src, 0, 4) != 'http') {
+            try {
+                if (!$this->filesystem->has($src)) {
+                    return '';
+                }
+            } catch (Exception $e) {
                 return '';
             }
-        } catch (Exception $e) {
-            return '';
-        }
 
-        $properties = $this->getPropertyList();
-        if ($properties['url']) {
-            $src = $properties['url'] . DIRECTORY_SEPARATOR . ltrim($src, DIRECTORY_SEPARATOR);
-        }
+            $properties = $this->getPropertyList();
+            if ($properties['url']) {
+                $src = $properties['url'] . DIRECTORY_SEPARATOR . ltrim($src, DIRECTORY_SEPARATOR);
+            }
+
+            // don't strip stuff for absolute URLs
 
-        // don't strip stuff for absolute URLs
-        if (substr($src, 0, 4) != 'http') {
             if (strpos($src, DIRECTORY_SEPARATOR) !== 0) {
                 $src = !empty($properties['basePath']) ? $properties['basePath'] . $src : $src;
                 if (!empty($properties['basePathRelative'])) {