diff --git a/GetRandomEllipseImage.m b/GetRandomEllipseImage.m
index 4c872d6e5c67f5454f0865a6b886e6df0017f2c7..8a332fa61eee653a5a4fc39f2650e8b417666158 100644
--- a/GetRandomEllipseImage.m
+++ b/GetRandomEllipseImage.m
@@ -1,5 +1,4 @@
 
-
 % GetRandomEllipseImage(K)
 % generate a logical image with K overlapping ellipses
 % 
@@ -124,7 +123,7 @@ idxPtsOverlap={};
 % 3 is in 1 and 2, 5 is in 4 and 1, etc.
 % no overlap between superset and subset pixels
 for n=1:(2^K)-1
-    rgBinary=de2bi(n);
+    rgBinary=dec2bin(n);
     idx1 = find(rgBinary);
     if length(idx1)==1
         idxPtsOverlap{n}=idxPts{idx1};