diff --git a/compute3D/sourceCode/compute3D.cpp b/compute3D/sourceCode/compute3D.cpp
index a010358..2c982ba 100644
--- a/compute3D/sourceCode/compute3D.cpp
+++ b/compute3D/sourceCode/compute3D.cpp
@@ -78,7 +78,10 @@ void compute3D(
 		outData.y = (float)y;
 		outData.z = (float)z;
 		outData.value = InData.value;
-		outData.Sync = 0;
+		if(n == (WinNum-1))
+			outData.Sync = 0b01;
+		else
+			outData.Sync = 0;
 		outPt3D.write(outData);
 	}
 }