diff --git a/README.md b/README.md
index bece95d..6e7f135 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,13 @@ Car Sharing Analyser
 This is a collection of scripts and tools to gather, prepare and analyse data about a
 German car sharing company.
 
+Requirements
+------------
+
+* Python 3.6 or newer (3.5 will probably work, too)
+  * geopy
+* SQLite 3.7.11 or newer commandline client
+
 
 Gathering
 ---------
diff --git a/import.py b/import.py
index 93974dd..03fb2d7 100644
--- a/import.py
+++ b/import.py
@@ -43,6 +43,7 @@ class C2GImport:
             stamp_str = stamp.group(1)
             stamp_dt  = datetime.datetime.strptime(stamp_str + "+0100", "%Y-%m-%d_%H%M%S%z")
             if stamp_dt <= max_date_dt:
+                file_count -= 1
                 continue
             ctr += 1
             self.scanfile(f, stamp_str, stamp_dt, ctr, file_count)