diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
index 8002807d9..40a93583e 100644
--- a/lib/symboldatabase.cpp
+++ b/lib/symboldatabase.cpp
@@ -1722,7 +1722,7 @@ Function::Function(const Tokenizer *mTokenizer, const Token *tok, const Scope *s
       access(Public),
       noexceptArg(nullptr),
       throwArg(nullptr),
-      flags(0)
+      mFlags(0)
 {
     // operator function
     if (tokenDef->isOperatorKeyword()) {
diff --git a/lib/symboldatabase.h b/lib/symboldatabase.h
index 475d7d9c4..d6c1fbd09 100644
--- a/lib/symboldatabase.h
+++ b/lib/symboldatabase.h
@@ -681,7 +681,7 @@ class CPPCHECKLIB Function {
      * @return true if flag set or false in flag not set
      */
     bool getFlag(unsigned int flag) const {
-        return ((flags & flag) != 0);
+        return ((mFlags & flag) != 0);
     }
 
     /**
@@ -690,7 +690,7 @@ class CPPCHECKLIB Function {
      * @param state new state of flag
      */
     void setFlag(unsigned int flag, bool state) {
-        flags = state ? flags | flag : flags & ~flag;
+        mFlags = state ? mFlags | flag : mFlags & ~flag;
     }
 
 public:
@@ -846,7 +846,7 @@ private:
     /** Recursively determine if this function overrides a virtual method in a base class */
     const Function * getOverridenFunctionRecursive(const ::Type* baseType, bool *foundAllBaseClasses) const;
 
-    unsigned int flags;
+    unsigned int mFlags;
 
     void isInline(bool state) {
         setFlag(fIsInline, state);