diff --git a/lib/controller/action.py b/lib/controller/action.py
index 162591148..7ca2dcbb3 100644
--- a/lib/controller/action.py
+++ b/lib/controller/action.py
@@ -40,7 +40,7 @@ def action():
         if htmlParsed:
             errMsg += ", but from the HTML error page it was "
             errMsg += "possible to determinate that the "
-            errMsg += "back-end DBMS is %s" % htmlParsed
+            errMsg += "back-end DBMS is '%s'" % htmlParsed
 
         if htmlParsed and htmlParsed.lower() in SUPPORTED_DBMS:
             errMsg += ". Do not specify the back-end DBMS manually, "
diff --git a/xml/errors.xml b/xml/errors.xml
index 4997f7dc2..d6bfb2d21 100644
--- a/xml/errors.xml
+++ b/xml/errors.xml
@@ -91,4 +91,8 @@
         <error regexp="Ingres\W.*Driver"/>
     </dbms>
 
+    <!-- Frontbase -->
+    <dbms value="Frontbase">
+        <error regexp="Exception (condition )?\d+. Transaction rollback."/>
+    </dbms>
 </root>