diff --git a/addons/cppcheckdata.py b/addons/cppcheckdata.py
index 251431bb6..c0448eb61 100755
--- a/addons/cppcheckdata.py
+++ b/addons/cppcheckdata.py
@@ -359,6 +359,7 @@ class Variable:
         nameToken       name token in variable declaration
         typeStartToken  start token of variable declaration
         typeEndToken    end token of variable declaration
+        access          Global/Local/Namespace/Public/Protected/Public/Throw/Argument
         isArgument      Is this variable a function argument?
         isArray         Is this variable an array?
         isClass         Is this variable a class or struct?
@@ -378,6 +379,7 @@ class Variable:
     typeStartToken = None
     typeEndTokenId = None
     typeEndToken = None
+    access = None
     isArgument = False
     isArray = False
     isClass = False
@@ -397,6 +399,7 @@ class Variable:
         self.typeStartToken = None
         self.typeEndTokenId = element.get('typeEndToken')
         self.typeEndToken = None
+        self.access = element.get('access')
         self.isArgument = element.get('isArgument') == 'true'
         self.isArray = element.get('isArray') == 'true'
         self.isClass = element.get('isClass') == 'true'
diff --git a/addons/naming.py b/addons/naming.py
index 2723d57d8..6b841bae9 100755
--- a/addons/naming.py
+++ b/addons/naming.py
@@ -12,10 +12,13 @@ import sys
 import re
 
 RE_VARNAME = None
+RE_PRIVATE_MEMBER_VARIABLE = None
 RE_FUNCTIONNAME = None
 for arg in sys.argv[1:]:
     if arg[:6] == '--var=':
         RE_VARNAME = arg[6:]
+    elif arg.startswith('--private-member-variable='):
+        RE_PRIVATE_MEMBER_VARIABLE = arg[arg.find('=')+1:]
     elif arg[:11] == '--function=':
         RE_FUNCTIONNAME = arg[11:]
 
@@ -38,6 +41,14 @@ for arg in sys.argv[1:]:
                 if not res:
                     reportError(var.typeStartToken, 'style', 'Variable ' +
                                 var.nameToken.str + ' violates naming convention')
+        if RE_PRIVATE_MEMBER_VARIABLE:
+            for var in cfg.variables:
+                if (var.access is None) or var.access != 'Private':
+                    continue
+                res = re.match(RE_PRIVATE_MEMBER_VARIABLE, var.nameToken.str)
+                if not res:
+                    reportError(var.typeStartToken, 'style', 'Private member variable ' +
+                                var.nameToken.str + ' violates naming convention')
         if RE_FUNCTIONNAME:
             for scope in cfg.scopes:
                 if scope.type == 'Function':