diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index 29e52b905..eb06e5b16 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -2561,7 +2561,7 @@ RAWParams::RAWParams() :
     ff_AutoClipControl(false),
     ff_clipControl(0),
     ca_autocorrect(false),
-    caautoiterations(1),
+    caautoiterations(2),
     cared(0.0),
     cablue(0.0),
     expos(1.0),
@@ -4756,7 +4756,11 @@ int ProcParams::load(const Glib::ustring& fname, ParamsEdited* pedited)
             }
 
             assignFromKeyfile(keyFile, "RAW", "CA", pedited, raw.ca_autocorrect, pedited->raw.ca_autocorrect);
-            assignFromKeyfile(keyFile, "RAW", "CAAutoIterations", pedited, raw.caautoiterations, pedited->raw.caautoiterations);
+            if (ppVersion >= 342) {
+                assignFromKeyfile(keyFile, "RAW", "CAAutoIterations", pedited, raw.caautoiterations, pedited->raw.caautoiterations);
+            } else {
+                raw.caautoiterations = 1;
+            }
             assignFromKeyfile(keyFile, "RAW", "CARed", pedited, raw.cared, pedited->raw.cared);
             assignFromKeyfile(keyFile, "RAW", "CABlue", pedited, raw.cablue, pedited->raw.cablue);
             // For compatibility to elder pp3 versions
diff --git a/rtgui/ppversion.h b/rtgui/ppversion.h
index f4ca1f360..dd89c9f99 100644
--- a/rtgui/ppversion.h
+++ b/rtgui/ppversion.h
@@ -1,11 +1,13 @@
 #pragma once
 
 // This number has to be incremented whenever the PP3 file format is modified or the behaviour of a tool changes
-#define PPVERSION 340
+#define PPVERSION 341
 #define PPVERSION_AEXP 301 //value of PPVERSION when auto exposure algorithm was modified
 
 /*
   Log of version changes
+   342  2018-09-05
+        raw auto ca correction iterations
    341  2018-07-22
         [ICM] enhanced custom output profile
    340  2018-07-08
diff --git a/rtgui/rawcacorrection.cc b/rtgui/rawcacorrection.cc
index 8c917c910..9957ca9be 100644
--- a/rtgui/rawcacorrection.cc
+++ b/rtgui/rawcacorrection.cc
@@ -37,7 +37,7 @@ RAWCACorr::RAWCACorr () : FoldableToolPanel(this, "rawcacorrection", M("TP_CHROM
     caAutocorrect = Gtk::manage (new CheckBox(M("TP_RAWCACORR_AUTO"), multiImage));
     caAutocorrect->setCheckBoxListener (this);
 
-    caAutoiterations = Gtk::manage(new Adjuster (M("TP_RAWCACORR_AUTOIT"), 1, 5, 1, 1));
+    caAutoiterations = Gtk::manage(new Adjuster (M("TP_RAWCACORR_AUTOIT"), 1, 5, 1, 2));
     caAutoiterations->setAdjusterListener (this);
 
     if (caAutoiterations->delay < options.adjusterMaxDelay) {