diff --git a/mkpackage.bash b/mkpackage.bash
index 84aad84..200590b 100755
--- a/mkpackage.bash
+++ b/mkpackage.bash
@@ -71,17 +71,22 @@ download()
             fi
         fi
 
-        # First try OceanScan-MST mirror.
-        omst_url="http://www.omst.pt/glued/$(basename $u)"
-        download_tool "$omst_url" "$cfg_dir_downloads/$file"
+	# First try LSTS mirror.
+	lsts_url="http://www.lsts.pt/glued/$(basename $u)"
+        download_tool "$lsts_url" "$cfg_dir_downloads/$file"
         if [ $? -ne 0 ]; then
-            # On failure try upstream URL.
-            download_tool "$u" "$cfg_dir_downloads/$file"
+	    # Then try OceanScan-MST mirror.
+            omst_url="http://www.omst.pt/glued/$(basename $u)"
+            download_tool "$omst_url" "$cfg_dir_downloads/$file"
             if [ $? -ne 0 ]; then
-                echo "ERROR: download failed"
-                exit 1
+		# On failure try upstream URL.
+		download_tool "$u" "$cfg_dir_downloads/$file"
+		if [ $? -ne 0 ]; then
+                    echo "ERROR: download failed"
+                    exit 1
+		fi
             fi
-        fi
+	fi
 
         md5="$(md5sum_tool "$cfg_dir_downloads/$file")"
         if [ "$s" != "$md5" ]; then