diff --git a/src/caosadvancedtools/serverside/helper.py b/src/caosadvancedtools/serverside/helper.py
index 360f287759e582e548808d22771ee296eeb785ca..a09e6cfe867211e27fde8675d83d6b21bd14d456 100644
--- a/src/caosadvancedtools/serverside/helper.py
+++ b/src/caosadvancedtools/serverside/helper.py
@@ -23,7 +23,6 @@ from __future__ import absolute_import
 import argparse
 import datetime
 import json
-import logging
 import sys
 
 import caosdb as db
diff --git a/src/caosadvancedtools/webui_formatter.py b/src/caosadvancedtools/webui_formatter.py
index 848f3e39b5607f828934a29a68b5bb94529a542d..c3c5381d96e86a2698cc16d1bf1a2726566dcd7b 100644
--- a/src/caosadvancedtools/webui_formatter.py
+++ b/src/caosadvancedtools/webui_formatter.py
@@ -20,7 +20,7 @@
 #
 import logging
 
-from .serverside.helper import prefix_bootstrap
+from .serverside.helper import wrap_bootstrap_alert
 
 
 class WebUI_Formatter(logging.Formatter):
@@ -67,7 +67,7 @@ class WebUI_Formatter(logging.Formatter):
         self.counter += 1
 
         if self.counter == self.max_elements:
-            return prefix_bootstrap(
+            return wrap_bootstrap_alert(
                 "<b>Warning:</b> Due to the large number of messages, the "
                 "output is stopped here. You can see the full log "
                 " <a href='{}'>here</a>.".format(self.full_file),
@@ -80,15 +80,16 @@ class WebUI_Formatter(logging.Formatter):
         text = text.replace("\t", r"&nbsp;"*4)
 
         if record.levelno == logging.DEBUG:
-            return prefix_bootstrap(msg, kind="info")
+            return wrap_bootstrap_alert(msg, kind="info")
         elif record.levelno == logging.INFO:
-            return prefix_bootstrap("<b>Info:</b> " + text, kind="info")
+            return wrap_bootstrap_alert("<b>Info:</b> " + text, kind="info")
         elif record.levelno == logging.WARNING:
-            return prefix_bootstrap("<b>Warning:</b> " + text, kind="warning")
+            return wrap_bootstrap_alert("<b>Warning:</b> " + text,
+                                        kind="warning")
         elif record.levelno == logging.ERROR:
-            return prefix_bootstrap("<b>ERROR:</b> " + text, kind="danger")
+            return wrap_bootstrap_alert("<b>ERROR:</b> " + text, kind="danger")
         elif record.levelno == logging.CRITICAL:
-            return prefix_bootstrap("<b>CRITICAL ERROR:</b> " + text,
-                                    kind="danger")
+            return wrap_bootstrap_alert("<b>CRITICAL ERROR:</b> " + text,
+                                        kind="danger")
         else:
             raise Exception("unknown level")