diff --git a/lib/request/inject.py b/lib/request/inject.py
index d14f29b3d..8d8f613c2 100644
--- a/lib/request/inject.py
+++ b/lib/request/inject.py
@@ -233,7 +233,7 @@ def __goInferenceProxy(expression, fromUser=False, expected=None, batch=False, u
                     countedExpression = countedExpression[:untilOrderChar]
 
                 if not stopLimit:
-                    count = __goInference(payload, countedExpression, CHARSET_TYPE.DIGITS, firstChar, lastChar)
+                    count = __goInference(payload, countedExpression, charsetType=CHARSET_TYPE.DIGITS, firstChar=firstChar, lastChar=lastChar)
 
                     if isNumPosStrValue(count):
                         count = int(count)
@@ -485,4 +485,4 @@ def goStacked(expression, silent=False):
     Request.queryPage(payload, content=False, silent=silent, noteResponseTime=False, timeBasedCompare=True)
 
 def checkBooleanExpression(expression, expectingNone=True):
-    return getValue(unescaper.unescape(expression), expected=EXPECTED.BOOL, suppressOutput=True, expectingNone=expectingNone)
+    return getValue(unescaper.unescape(expression), expected=EXPECTED.BOOL, charsetType=CHARSET_TYPE.BINARY, suppressOutput=True, expectingNone=expectingNone)
diff --git a/lib/takeover/udf.py b/lib/takeover/udf.py
index a6fe79dc4..c1ff58cd9 100644
--- a/lib/takeover/udf.py
+++ b/lib/takeover/udf.py
@@ -53,12 +53,7 @@ class UDF:
         logger.info("checking if UDF '%s' already exist" % udf)
 
         query = agent.forgeCaseStatement(queries[Backend.getIdentifiedDbms()].check_udf.query % (udf, udf))
-        exists = inject.getValue(query, resumeValue=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
-
-        if exists == "1":
-            return True
-        else:
-            return False
+        return inject.getValue(query, resumeValue=False, expected=EXPECTED.BOOL, charsetType=CHARSET_TYPE.BINARY)
 
     def udfCheckAndOverwrite(self, udf):
         exists = self.__checkExistUdf(udf)
diff --git a/plugins/dbms/mysql/filesystem.py b/plugins/dbms/mysql/filesystem.py
index 3f233ba36..4bb0bcdc0 100644
--- a/plugins/dbms/mysql/filesystem.py
+++ b/plugins/dbms/mysql/filesystem.py
@@ -29,7 +29,7 @@ class Filesystem(GenericFilesystem):
         infoMsg = "fetching file: '%s'" % rFile
         logger.info(infoMsg)
 
-        result = inject.getValue("SELECT HEX(LOAD_FILE('%s'))" % rFile)
+        result = inject.getValue("SELECT HEX(LOAD_FILE('%s'))" % rFile, charsetType=CHARSET_TYPE.HEXADECIMAL)
 
         return result
 
diff --git a/plugins/generic/enumeration.py b/plugins/generic/enumeration.py
index af4d858f7..311e3f338 100644
--- a/plugins/generic/enumeration.py
+++ b/plugins/generic/enumeration.py
@@ -163,7 +163,7 @@ class Enumeration:
             query = queries[Backend.getIdentifiedDbms()].is_dba.query
 
         query = agent.forgeCaseStatement(query)
-        kb.data.isDba = unArrayizeValue(inject.getValue(query, charsetType=CHARSET_TYPE.BINARY))
+        kb.data.isDba = unArrayizeValue(inject.getValue(query, expected=EXPECTED.BOOL, charsetType=CHARSET_TYPE.BINARY))
 
         return kb.data.isDba == "1"
 
@@ -928,6 +928,7 @@ class Enumeration:
                     query = rootQuery.blind.count
                 else:
                     query = rootQuery.blind.count % unsafeSQLIdentificatorNaming(db)
+
                 count = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
 
                 if not isNumPosStrValue(count):
@@ -1423,11 +1424,7 @@ class Enumeration:
             logger.info(infoMsg)
 
             query = dumpNode.count2 % (column, table)
-
-            if blind:
-                value = inject.getValue(query, inband=False, error=False, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
-            else:
-                value = inject.getValue(query, blind=False, expected=EXPECTED.INT)
+            value = inject.getValue(query, blind=blind, inband=not blind, error=not blind, expected=EXPECTED.INT, charsetType=CHARSET_TYPE.DIGITS)
 
             if isNumPosStrValue(value):
                 validColumnList = True
@@ -1472,10 +1469,7 @@ class Enumeration:
                     else:
                         query = dumpNode.query2 % (column, table, colList[0], pivotValue)
 
-                    if blind:
-                        value = inject.getValue(query, inband=False, error=False)
-                    else:
-                        value = inject.getValue(query, blind=False)
+                    value = inject.getValue(query, blind=blind, inband=not blind, error=not blind)
 
                     if column == colList[0]:
                         if isNoneValue(value):