diff --git a/lib/core/common.py b/lib/core/common.py
index 65d268c71..89302340a 100644
--- a/lib/core/common.py
+++ b/lib/core/common.py
@@ -2195,6 +2195,17 @@ def arrayizeValue(value):
 
     return value
 
+def unArrayizeValue(value):
+    """
+    Makes a value out of iterable if it is a list, tuple or set
+    itself
+    """
+
+    if isinstance(value, (list, tuple, set)):
+        value = value[0] if len(value) > 0 else None
+
+    return value
+
 def getSortedInjectionTests():
     """
     Returns prioritized test list by eventually detected DBMS from error
diff --git a/plugins/generic/enumeration.py b/plugins/generic/enumeration.py
index 0eaa9111c..8062c1e06 100644
--- a/plugins/generic/enumeration.py
+++ b/plugins/generic/enumeration.py
@@ -30,6 +30,7 @@ from lib.core.common import randomStr
 from lib.core.common import readInput
 from lib.core.common import safeStringFormat
 from lib.core.common import strToHex
+from lib.core.common import unArrayizeValue
 from lib.core.convert import utf8decode
 from lib.core.data import conf
 from lib.core.data import kb
@@ -90,7 +91,7 @@ class Enumeration:
             logger.info(infoMsg)
 
             query = queries[Backend.getIdentifiedDbms()].banner.query
-            kb.data.banner = inject.getValue(query)
+            kb.data.banner = unArrayizeValue(inject.getValue(query))
             bannerParser(kb.data.banner)
 
             if conf.os and conf.os == "windows":
@@ -114,7 +115,7 @@ class Enumeration:
         query = queries[Backend.getIdentifiedDbms()].current_user.query
 
         if not kb.data.currentUser:
-            kb.data.currentUser = inject.getValue(query)
+            kb.data.currentUser = unArrayizeValue(inject.getValue(query))
 
         return kb.data.currentUser
 
@@ -125,7 +126,7 @@ class Enumeration:
         query = queries[Backend.getIdentifiedDbms()].current_db.query
 
         if not kb.data.currentDb:
-            kb.data.currentDb = inject.getValue(query)
+            kb.data.currentDb = unArrayizeValue(inject.getValue(query))
 
         return kb.data.currentDb
 
@@ -145,7 +146,7 @@ class Enumeration:
         isDba = inject.getValue(query, charsetType=1)
 
         if user is None:
-            kb.data.isDba = isDba
+            kb.data.isDba = unArrayizeValue(isDba)
 
         return isDba == "1"