diff --git a/glbarcode/Barcode2dBase.cpp b/glbarcode/Barcode2dBase.cpp
index 90f8d3e..1af6b14 100644
--- a/glbarcode/Barcode2dBase.cpp
+++ b/glbarcode/Barcode2dBase.cpp
@@ -33,7 +33,7 @@ using namespace glbarcode::Constants;
 namespace
 {
 
-	const double MIN_CELL_SIZE  = ( 0.0625 * PTS_PER_INCH );
+	const double MIN_CELL_SIZE  = ( 1.0/64.0 * PTS_PER_INCH );
 
 }