diff --git a/rtgui/paramsedited.cc b/rtgui/paramsedited.cc
index 511aefaa7..847e9fb5d 100644
--- a/rtgui/paramsedited.cc
+++ b/rtgui/paramsedited.cc
@@ -520,7 +520,6 @@ void ParamsEdited::set(bool v)
     wavelet.HSmethod = v;
     wavelet.Dirmethod = v;
     wavelet.sigma = v;
-    wavelet.sigma = v;
     wavelet.offset = v;
     wavelet.lowthr = v;
     wavelet.resconH = v;
@@ -3569,4 +3568,4 @@ bool CaptureSharpeningParamsEdited::isUnchanged() const
 bool RAWParamsEdited::PreprocessWBParamsEdited::isUnchanged() const
 {
     return mode;
-}
\ No newline at end of file
+}