diff --git a/Modules/Applications/AppImageUtils/app/otbConvert.cxx b/Modules/Applications/AppImageUtils/app/otbConvert.cxx
index e96d8df2690e603037a80b047721b68d74cc235c..4c50e1a2e7b17488d7fc9f8885e762e623c7d46f 100644
--- a/Modules/Applications/AppImageUtils/app/otbConvert.cxx
+++ b/Modules/Applications/AppImageUtils/app/otbConvert.cxx
@@ -208,11 +208,9 @@ private:
       int bandRed = metadataInterface->GetDefaultDisplay()[0] + 1;
       int bandGreen = metadataInterface->GetDefaultDisplay()[1] + 1;
       int bandBlue = metadataInterface->GetDefaultDisplay()[2] + 1;
-
-      if (!IsParameterEnabled("channels.rgb.red")) SetDefaultParameterInt("channels.rgb.red", bandRed);
-      if (!IsParameterEnabled("channels.rgb.green")) SetDefaultParameterInt("channels.rgb.green", bandGreen);
-      if (!IsParameterEnabled("channels.rgb.blue")) SetDefaultParameterInt("channels.rgb.blue", bandBlue);
-
+      SetDefaultParameterInt("channels.rgb.red", bandRed);
+      SetDefaultParameterInt("channels.rgb.green", bandGreen);
+      SetDefaultParameterInt("channels.rgb.blue", bandBlue);
     }
 
   }