diff --git a/presto2gemini.py b/presto2gemini.py
index 2104065..aeb8ae1 100755
--- a/presto2gemini.py
+++ b/presto2gemini.py
@@ -20,7 +20,7 @@ import shutil
 # http://python-requests.org/
 import requests
 
-PRESTO_URL = "https://www.sidc.be/archive/product/presto"
+PRESTO_URL = "https://www.sidc.be/spaceweatherservices/applications/archive/product/presto"
 SOURCE_URL = "https://forge.chapril.org/bortzmeyer/presto2gemini"
 
 # Defaults
@@ -52,16 +52,16 @@ From the alerts sent by SIDC (Solar Influences Data analysis Center).
     for file in os.listdir(raw_dir):
         files.append(file)
     sorted_files = sorted(files, reverse=True)
-    fs = open("%s%s.txt" % (gem_dir, sorted_files[0]), "r")
-    print("""
+    if len(sorted_files) != 0:
+        fs = open("%s%s.txt" % (gem_dir, sorted_files[0]), "r")
+        print("""
 Last alert:
 
 %s
 """ % fs.read(), file=f)
-    fs.close()
-    for file in sorted(files, reverse=True):
-        print("=> %s.gmi Alert of %s" % (file, file), file=f)
-
+        fs.close()
+        for file in sorted(files, reverse=True):
+            print("=> %s.gmi Alert of %s" % (file, file), file=f)
     print("""
 ## Legal and contact