diff --git a/rtgui/retinex.cc b/rtgui/retinex.cc
index f15f7d276..1e4d67c99 100644
--- a/rtgui/retinex.cc
+++ b/rtgui/retinex.cc
@@ -432,13 +432,16 @@ void Retinex::retinexMethodChanged()
 
 void Retinex::ColorSpaceUpdateUI ()
 {
-    if (!batchMode) {
+    if (!batchMode) {  
          if(retinexcolorspace->get_active_row_number() == 0) {
              curveEditorGD->show();
              curveEditorGDH->hide();
         } else if(retinexcolorspace->get_active_row_number() == 1) {
              curveEditorGD->hide();
              curveEditorGDH->show();
+        } else if(retinexcolorspace->get_active_row_number() == 2) {
+             curveEditorGD->hide();
+             curveEditorGDH->show();
         }
     }
 }