diff --git a/glances/exports/glances_influxdb.py b/glances/exports/glances_influxdb.py
index f8683db6..946095cc 100644
--- a/glances/exports/glances_influxdb.py
+++ b/glances/exports/glances_influxdb.py
@@ -146,6 +146,7 @@ class Export(GlancesExport):
 
     def export(self, name, columns, points):
         """Write the points to the InfluxDB server."""
+        logger.debug("Export {} stats to InfluxDB".format(name))
         # Manage prefix
         if self.prefix is not None:
             name = self.prefix + '.' + name
@@ -161,5 +162,4 @@ class Export(GlancesExport):
         try:
             self.client.write_points(data)
         except Exception as e:
-            logger.error("Can not export stats to InfluxDB (%s)" % e)
-        logger.debug("Export {} stats to InfluxDB".format(name))
+            logger.error("Can not export {} stats to InfluxDB ({})".format(name, e))
diff --git a/glances/plugins/glances_docker.py b/glances/plugins/glances_docker.py
index ef5c5e90..3d051154 100644
--- a/glances/plugins/glances_docker.py
+++ b/glances/plugins/glances_docker.py
@@ -427,7 +427,7 @@ class Plugin(GlancesPlugin):
             # Name
             name = container['Names'][0]
             if len(name) > 20:
-                name = '_' + name[:-19]
+                name = '_' + name[-19:]
             else:
                 name = name[:20]
             msg = ' {0:20}'.format(name)