diff --git a/FDTD/processing.cpp b/FDTD/processing.cpp
index b24a125..0f4fdff 100644
--- a/FDTD/processing.cpp
+++ b/FDTD/processing.cpp
@@ -4,6 +4,7 @@ Processing::Processing(Operator* op, Engine* eng)
 {
 	Op=op;
 	Eng=eng;
+	Enabled = true;
 }
 
 Processing::~Processing()