diff --git a/rtengine/ipwavelet.cc b/rtengine/ipwavelet.cc
index f0b6afaaf..536b89295 100644
--- a/rtengine/ipwavelet.cc
+++ b/rtengine/ipwavelet.cc
@@ -345,6 +345,7 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
             cp.BAmet = 2;
         }
     }
+    int minwinnoise = rtengine::min(imwidth, imheight);
 
     cp.sigm = params->wavelet.sigma;
 
@@ -355,7 +356,7 @@ void ImProcFunctions::ip_wavelet(LabImage * lab, LabImage * dst, int kall, const
     cp.resena = params->wavelet.expresid;
     cp.finena = params->wavelet.expfinal;
     cp.toningena = params->wavelet.exptoning;
-    cp.noiseena = params->wavelet.expnoise;
+    cp.noiseena = params->wavelet.expnoise && minwinnoise > 128;//128 limit for 6 levels wavelet denoise issue 7146
     cp.blena = params->wavelet.expbl;
     cp.chrwav = 0.01f * params->wavelet.chrwav;