diff --git a/app/main.cpp b/app/main.cpp
index 4b0a0ac96e4951c0f15d4b533b36833df89c34b3..3ccdee16a3f43d75d0aa33fe2140d515e6457dd2 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -137,6 +137,7 @@ int main(int argc, char** argv)
     image->addOperation(new SplitHsvOp());
     image->addOperation(new CombineColorOp());
     image->addOperation(new CombineHSVOp());
+    image->addOperation(new SeparatorOp());
     image->addOperation(new ScalingOp());
     image->addOperation(new QuantificationOp());
     image->addOperation(new ThresholdOp());