diff --git a/lib/core/agent.py b/lib/core/agent.py
index 48ab6d945..55cb141f4 100644
--- a/lib/core/agent.py
+++ b/lib/core/agent.py
@@ -447,7 +447,7 @@ class Agent:
         else:
             return query
 
-        if Backend.isDbms(DBMS.MYSQL):
+        if Backend.getIdentifiedDbms() == DBMS.MYSQL:
             if fieldsExists:
                 concatenatedQuery = concatenatedQuery.replace("SELECT ", "CONCAT('%s'," % kb.misc.start, 1)
                 concatenatedQuery += ",'%s')" % kb.misc.stop