diff --git a/repomirror/fetcher/_base.py b/repomirror/fetcher/_base.py
index c4094a1..7f8ac65 100644
--- a/repomirror/fetcher/_base.py
+++ b/repomirror/fetcher/_base.py
@@ -27,7 +27,7 @@ class BaseFetcher(object):
             if v:
                 tstmp_raw = self.fetch_content(v.path).decode('utf-8').strip()
                 if '%s' in v.fmt:
-                    tstmp = datetime.datetime.fromtimestamp(int(tstmp_raw))
+                    tstmp = datetime.datetime.fromtimestamp(float(tstmp_raw))
                 else:
                     tstmp = datetime.datetime.strptime(tstmp_raw, v.fmt)
                 self.timestamps[k] = tstmp
diff --git a/repomirror/sync.py b/repomirror/sync.py
index daf7cf0..4da4286 100644
--- a/repomirror/sync.py
+++ b/repomirror/sync.py
@@ -111,7 +111,7 @@ class TimestampFile(object):
             with open(path, 'r') as fh:
                 ts_raw = fh.read().strip()
             if '%s' in self.fmt:
-                timestamp = datetime.datetime.fromtimestamp(int(ts_raw))
+                timestamp = datetime.datetime.fromtimestamp(float(ts_raw))
             else:
                 timestamp = datetime.datetime.strptime(ts_raw, self.fmt)
             _logger.debug('Read timestamp {0} from {1}'.format(str(timestamp), self.path))