diff --git a/rtengine/rawimagesource.h b/rtengine/rawimagesource.h
index 51c369a79..1b80804e9 100644
--- a/rtengine/rawimagesource.h
+++ b/rtengine/rawimagesource.h
@@ -143,9 +143,9 @@ public:
     void        processFlatField(const procparams::RAWParams &raw, const RawImage *riFlatFile, const float black[4]);
     void        copyOriginalPixels(const procparams::RAWParams &raw, RawImage *ri, RawImage *riDark, RawImage *riFlatFile, array2D<float> &rawData  );
     void        scaleColors (int winx, int winy, int winw, int winh, const procparams::RAWParams &raw, array2D<float> &rawData); // raw for cblack
-    void        WBauto(double &tempref, double &greenref, array2D<float> &redloc, array2D<float> &greenloc, array2D<float> &blueloc, int bfw, int bfh, double &avg_rm, double &avg_gm, double &avg_bm, double &tempitc, double &greenitc, float &studgood, bool &twotimes, const procparams::WBParams & wbpar, int begx, int begy, int yEn, int xEn, int cx, int cy, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw);
-    void        getAutoWBMultipliersitc(double &tempref, double &greenref, double &tempitc, double &greenitc, float &studgood, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w, double &rm, double &gm, double &bm, const procparams::WBParams & wbpar, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw);
-    void        getrgbloc(bool local, bool gamma, bool cat02, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w);
+    void        WBauto(double &tempref, double &greenref, array2D<float> &redloc, array2D<float> &greenloc, array2D<float> &blueloc, int bfw, int bfh, double &avg_rm, double &avg_gm, double &avg_bm, double &tempitc, double &greenitc, float &studgood, bool &twotimes, const procparams::WBParams & wbpar, int begx, int begy, int yEn, int xEn, int cx, int cy, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw) override;
+    void        getAutoWBMultipliersitc(double &tempref, double &greenref, double &tempitc, double &greenitc, float &studgood, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w, double &rm, double &gm, double &bm, const procparams::WBParams & wbpar, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw) override;
+    void        getrgbloc(bool local, bool gamma, bool cat02, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w) override;
 
     void        getImage    (const ColorTemp &ctemp, int tran, Imagefloat* image, const PreviewProps &pp, const procparams::ToneCurveParams &hrp, const procparams::RAWParams &raw) override;
     eSensorType getSensorType () const override;
diff --git a/rtengine/stdimagesource.h b/rtengine/stdimagesource.h
index 5b83ba42e..b88db42c4 100644
--- a/rtengine/stdimagesource.h
+++ b/rtengine/stdimagesource.h
@@ -58,15 +58,15 @@ public:
 
     int         load        (const Glib::ustring &fname) override;
     void        getImage    (const ColorTemp &ctemp, int tran, Imagefloat* image, const PreviewProps &pp, const procparams::ToneCurveParams &hrp, const procparams::RAWParams &raw) override;
-    void        getrgbloc(bool local, bool gamma, bool  cat02, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w);
+    void        getrgbloc(bool local, bool gamma, bool  cat02, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w) override;
     ColorTemp   getWB       () const override
     {
         return wb;
     }
     void        getAutoWBMultipliers (double &rm, double &gm, double &bm) override;
     ColorTemp   getSpotWB   (std::vector<Coord2D> &red, std::vector<Coord2D> &green, std::vector<Coord2D> &blue, int tran, double equal) override;
-    void        WBauto(double &tempref, double &greenref, array2D<float> &redloc, array2D<float> &greenloc, array2D<float> &blueloc, int bfw, int bfh, double &avg_rm, double &avg_gm, double &avg_bm, double &tempitc, double &greenitc, float &studgood, bool &twotimes, const procparams::WBParams & wbpar, int begx, int begy, int yEn, int xEn, int cx, int cy, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw);
-    void        getAutoWBMultipliersitc(double &tempref, double &greenref, double &tempitc, double &greenitc, float &studgood, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w, double &rm, double &gm, double &bm, const procparams::WBParams & wbpar, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw);
+    void        WBauto(double &tempref, double &greenref, array2D<float> &redloc, array2D<float> &greenloc, array2D<float> &blueloc, int bfw, int bfh, double &avg_rm, double &avg_gm, double &avg_bm, double &tempitc, double &greenitc, float &studgood, bool &twotimes, const procparams::WBParams & wbpar, int begx, int begy, int yEn, int xEn, int cx, int cy, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw) override;
+    void        getAutoWBMultipliersitc(double &tempref, double &greenref, double &tempitc, double &greenitc, float &studgood, int begx, int begy, int yEn, int xEn, int cx, int cy, int bf_h, int bf_w, double &rm, double &gm, double &bm, const procparams::WBParams & wbpar, const procparams::ColorManagementParams &cmp, const procparams::RAWParams &raw) override;
 
     eSensorType getSensorType() const override {return ST_NONE;}
     bool isMono() const override {return false;}