diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index 46cf031bd..42e99d2a0 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -87,7 +87,7 @@ ImProcCoordinator::ImProcCoordinator ()
       fw(0), fh(0), tr(0),
       fullw(1), fullh(1),
       pW(-1), pH(-1),
-      plistener(nullptr), imageListener(nullptr), aeListener(nullptr), acListener(nullptr), abwListener(nullptr), actListener(nullptr), adnListener(nullptr), awavListener(nullptr), dehaListener(nullptr), hListener(nullptr),
+      plistener(nullptr), imageListener(nullptr), aeListener(nullptr), acListener(nullptr), abwListener(nullptr), awbListener(nullptr), actListener(nullptr), adnListener(nullptr), awavListener(nullptr), dehaListener(nullptr), hListener(nullptr),
       resultValid(false), lastOutputProfile("BADFOOD"), lastOutputIntent(RI__COUNT), lastOutputBPC(false), thread(nullptr), changeSinceLast(0), updaterRunning(false), destroying(false), utili(false), autili(false), wavcontlutili(false),
       butili(false), ccutili(false), cclutili(false), clcutili(false), opautili(false), conversionBuffer(1, 1), colourToningSatLimit(0.f), colourToningSatLimitOpacity(0.f)
 {}
@@ -305,6 +305,9 @@ void ImProcCoordinator::updatePreviewImage (int todo, Crop* cropCall)
 
         params.wb.temperature = currWB.getTemp ();
         params.wb.green = currWB.getGreen ();
+        if(params.wb.method == "Auto" && awbListener) {
+            awbListener->WBChanged(params.wb.temperature, params.wb.green);
+        }
 
         int tr = getCoarseBitMask(params.coarse);
 
diff --git a/rtengine/improccoordinator.h b/rtengine/improccoordinator.h
index 2cc767b39..0e0379553 100644
--- a/rtengine/improccoordinator.h
+++ b/rtengine/improccoordinator.h
@@ -156,6 +156,8 @@ protected:
     AutoExpListener* aeListener;
     AutoCamListener* acListener;
     AutoBWListener* abwListener;
+    AutoWBListener* awbListener;
+
     AutoColorTonListener* actListener;
     AutoChromaListener* adnListener;
     WaveletListener* awavListener;
@@ -311,6 +313,10 @@ public:
     {
         abwListener = abw;
     }
+    void setAutoWBListener   (AutoWBListener* awb)
+    {
+        awbListener = awb;
+    }
     void setAutoColorTonListener   (AutoColorTonListener* bwct)
     {
         actListener = bwct;
diff --git a/rtengine/rtengine.h b/rtengine/rtengine.h
index 61c779fb7..26ffc30d1 100644
--- a/rtengine/rtengine.h
+++ b/rtengine/rtengine.h
@@ -310,6 +310,14 @@ public :
 
 };
 
+class AutoWBListener
+{
+public :
+    virtual ~AutoWBListener() {}
+    virtual void WBChanged (double temp, double green) {}
+
+};
+
 class WaveletListener
 {
 public :
@@ -411,6 +419,7 @@ public:
     virtual void        setPreviewImageListener (PreviewImageListener* l) = 0;
     virtual void        setAutoCamListener      (AutoCamListener* l) = 0;
     virtual void        setAutoBWListener       (AutoBWListener* l) = 0;
+    virtual void        setAutoWBListener       (AutoWBListener* l) = 0;
     virtual void        setAutoColorTonListener (AutoColorTonListener* l) = 0;
     virtual void        setAutoChromaListener   (AutoChromaListener* l) = 0;
     virtual void        setRetinexListener      (RetinexListener* l) = 0;
diff --git a/rtgui/toolpanelcoord.cc b/rtgui/toolpanelcoord.cc
index 98dc311f8..71281abd3 100644
--- a/rtgui/toolpanelcoord.cc
+++ b/rtgui/toolpanelcoord.cc
@@ -488,6 +488,7 @@ void ToolPanelCoordinator::initImage (rtengine::StagedImageProcessor* ipc_, bool
         ipc->setAutoExpListener (toneCurve);
         ipc->setAutoCamListener (colorappearance);
         ipc->setAutoBWListener (blackwhite);
+        ipc->setAutoWBListener (whitebalance);
         ipc->setAutoColorTonListener (colortoning);
         ipc->setAutoChromaListener (dirpyrdenoise);
         ipc->setWaveletListener (wavelet);
diff --git a/rtgui/whitebalance.cc b/rtgui/whitebalance.cc
index d0413412b..a15410713 100644
--- a/rtgui/whitebalance.cc
+++ b/rtgui/whitebalance.cc
@@ -884,3 +884,11 @@ inline Gtk::TreeRow WhiteBalance::getActiveMethod ()
 {
     return *(method->get_active());
 }
+
+void WhiteBalance::WBChanged(double temperature, double greenVal)
+{
+    disableListener();
+    temp->setValue(temperature);
+    green->setValue(greenVal);
+    enableListener();
+}
diff --git a/rtgui/whitebalance.h b/rtgui/whitebalance.h
index c18b15853..0cf119a86 100644
--- a/rtgui/whitebalance.h
+++ b/rtgui/whitebalance.h
@@ -34,7 +34,7 @@ public:
     virtual void spotWBRequested (int size) {}
 };
 
-class WhiteBalance : public ToolParamBlock, public AdjusterListener, public FoldableToolPanel
+class WhiteBalance : public ToolParamBlock, public AdjusterListener, public FoldableToolPanel, public rtengine::AutoWBListener
 {
 
     enum WB_LabelType {
@@ -114,6 +114,7 @@ public:
         wblistener = l;
     }
     void setWB (int temp, double green);
+    void WBChanged           (double temp, double green);
 
     void setAdjusterBehavior (bool tempadd, bool greenadd, bool equaladd);
     void trimValues          (rtengine::procparams::ProcParams* pp);