diff --git a/include/network.php b/include/network.php
index fd9999b539..0fff5c7cc9 100644
--- a/include/network.php
+++ b/include/network.php
@@ -823,6 +823,12 @@ function scale_external_images($s, $include_link = true, $scale_replace = false)
 				$scaled = $mtch[1];
 			$i = fetch_url($scaled);
 
+			$cache = get_config('system','itemcache');
+			if (($cache != '') and is_dir($cache)) {
+				$cachefile = $cache."/".hash("md5", $scaled);
+				file_put_contents($cachefile, $i);
+			}
+
 			// guess mimetype from headers or filename
 			$type = guess_image_type($mtch[1],true);