diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index 52d6be8dd..361ee847c 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -1789,7 +1789,7 @@ bool SHParams::operator !=(const SHParams& other) const
 ToneEqualizerParams::ToneEqualizerParams() :
     enabled(false),
     bands{0, 0, 0, 0, 0},
-    regularization(4),
+    regularization(0),
     show_colormap(false),
     pivot(0)
 {
diff --git a/rtgui/toneequalizer.cc b/rtgui/toneequalizer.cc
index fd60d4936..de748c2b7 100644
--- a/rtgui/toneequalizer.cc
+++ b/rtgui/toneequalizer.cc
@@ -55,7 +55,7 @@ ToneEqualizer::ToneEqualizer(): FoldableToolPanel(this, "toneequalizer", M("TP_T
     pack_start(*pivot);
 
     pack_start(*Gtk::manage(new Gtk::HSeparator()));
-    regularization = Gtk::manage(new Adjuster(M("TP_TONE_EQUALIZER_DETAIL"), -5, 5, 1, 5));
+    regularization = Gtk::manage(new Adjuster(M("TP_TONE_EQUALIZER_DETAIL"), -5, 5, 1, 0));
     regularization->setAdjusterListener(this);
     pack_start(*regularization);