diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index 669577e53..c3cfd7e3d 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -11874,7 +11874,7 @@ void ImProcFunctions::Lab_Local(
     }
 
 //local denoise
-    if (lp.denoiena && (lp.noiself > 0.f || lp.noiself0 > 0.f || lp.noiself2 > 0.f || lp.wavcurvedenoi || lp.noiselc > 0.f || lp.noisecf > 0.f || lp.noisecc > 0.f )) {//disable denoise if not used
+    if (lp.activspot && lp.denoiena && (lp.noiself > 0.f || lp.noiself0 > 0.f || lp.noiself2 > 0.f || lp.wavcurvedenoi || lp.noiselc > 0.f || lp.noisecf > 0.f || lp.noisecc > 0.f )) {//disable denoise if not used
         float slidL[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f}; 
         float slida[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};
         float slidb[8] = {0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f, 0.f};