diff --git a/rtengine/improcfun.cc b/rtengine/improcfun.cc
index 96ab2c287..5a57acb19 100644
--- a/rtengine/improcfun.cc
+++ b/rtengine/improcfun.cc
@@ -249,7 +249,7 @@ void ImProcFunctions::firstAnalysis (Image16* original, const ProcParams* params
     	for (int j=0; j<T; j++)
     		histogram[i] += hist[j][i];
 
-    chroma_scale = 32768*32768 / (3*chroma_radius);
+    chroma_scale = 100;    // 32768*32768 / (3*chroma_radius);
 	//printf ("chroma_radius= %d   chroma_scale= %d\n",chroma_radius,chroma_scale);
 
     delete [] cr;
diff --git a/rtgui/rawexposure.cc b/rtgui/rawexposure.cc
index 087b1163a..a246f9e11 100644
--- a/rtgui/rawexposure.cc
+++ b/rtgui/rawexposure.cc
@@ -26,7 +26,7 @@ using namespace rtengine::procparams;
 
 RAWExposure::RAWExposure () : Gtk::VBox(), FoldableToolPanel(this)
 {
-	PexPos = Gtk::manage(new Adjuster (M("TP_RAWEXPOS_LINEAR"),0.2,4.0,0.1,1));
+	PexPos = Gtk::manage(new Adjuster (M("TP_RAWEXPOS_LINEAR"),0.2,16.0,0.1,1));
 	PexPos->setAdjusterListener (this);
 	if (PexPos->delay < 1000) PexPos->delay = 1000;
 	PexPos->show();