diff --git a/rtengine/dcrop.cc b/rtengine/dcrop.cc
index 8bcd1e6a3..710890b2c 100644
--- a/rtengine/dcrop.cc
+++ b/rtengine/dcrop.cc
@@ -715,11 +715,8 @@ void Crop::update (int todo)
         transCrop = nullptr;
     }
 
-    std::unique_ptr<Imagefloat> fattalCrop;
     if ((todo & M_RGBCURVE) && params.fattal.enabled) {
-        fattalCrop.reset(baseCrop->copy());
-        parent->ipf.ToneMapFattal02(fattalCrop.get());
-        baseCrop = fattalCrop.get();
+        parent->ipf.ToneMapFattal02(baseCrop);
     }
     
     if ((todo & (M_TRANSFORM | M_RGBCURVE))  && params.dirpyrequalizer.cbdlMethod == "bef" && params.dirpyrequalizer.enabled && !params.colorappearance.enabled) {