diff --git a/subPix/sourceCode/subPix.cpp b/subPix/sourceCode/subPix.cpp
index 4a0056e..3d992d5 100644
--- a/subPix/sourceCode/subPix.cpp
+++ b/subPix/sourceCode/subPix.cpp
@@ -91,7 +91,7 @@ void subpix(
 			fx = (float)InData.nD1/(float)InData.nD2;
 
 		RgnSubPix a_pnt;
-		if(n == 1)
+		if(n == 0)
 			a_pnt.Sync = 0b01;
 		else
 			a_pnt.Sync = 0b00;