diff --git a/plugins/dbms/mssqlserver/filesystem.py b/plugins/dbms/mssqlserver/filesystem.py
index 5f866f0a5..ba6ee494e 100644
--- a/plugins/dbms/mssqlserver/filesystem.py
+++ b/plugins/dbms/mssqlserver/filesystem.py
@@ -98,7 +98,7 @@ class Filesystem(GenericFilesystem):
 
         if not result:
             result = []
-            count = inject.getValue("SELECT COUNT(%s) FROM %s" % (self.tblField, hexTbl), resumeValue=False, charsetType=2)
+            count = inject.getValue("SELECT COUNT(*) FROM %s" % (hexTbl), resumeValue=False, charsetType=2)
 
             if not isNumPosStrValue(count):
                 errMsg = "unable to retrieve the content of the "
diff --git a/plugins/generic/filesystem.py b/plugins/generic/filesystem.py
index f05f41ec2..c10941167 100644
--- a/plugins/generic/filesystem.py
+++ b/plugins/generic/filesystem.py
@@ -266,12 +266,6 @@ class Filesystem:
 
         self.checkDbmsOs()
 
-        if Backend.isOs(OS.WINDOWS) and not re.search(r'\A[A-Z]:', rFile, re.I) or\
-            Backend.isOs(OS.LINUX) and not rFile.startswith('/'):
-            errMsg = "invalid file path used for the underlying operating "
-            errMsg += "system '%s' of the back-end '%s' server ('%s')" % (Backend.getOs(), Backend.getDbms(), rFile)
-            raise sqlmapFilePathException, errMsg
-
         if conf.direct or isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED):
             if isTechniqueAvailable(PAYLOAD.TECHNIQUE.STACKED):
                 debugMsg = "going to read the file with stacked query SQL "