diff --git a/RAutoClDs.R b/RAutoClDs.R
index 087f984..5c2fe78 100644
--- a/RAutoClDs.R
+++ b/RAutoClDs.R
@@ -162,7 +162,7 @@ dndat <- function(NDATA){
 					DDATA[i,j]=0L
 				} else if(NDATA[i,j] > 1){
 					DDATA[i,j]=2L
-				} else if(-1 <= NDATA[i,j] && NDATA[i,j] < 1){
+				} else if(-1 <= NDATA[i,j] && NDATA[i,j] <= 1){
 					DDATA[i,j]=1L
 				}
 			} else{