diff --git a/400-SOURCECODE/AIAHTML5.Web/index.html b/400-SOURCECODE/AIAHTML5.Web/index.html
index 2fde181..43673bc 100644
--- a/400-SOURCECODE/AIAHTML5.Web/index.html
+++ b/400-SOURCECODE/AIAHTML5.Web/index.html
@@ -1230,7 +1230,12 @@
             });
             $("#btnBrushSizeDecrease").click(function () {
                 var brushDecreaseVar = $("#btnBrushSize").val();
-                if (brushDecreaseVar <= 1) {
+                if (brushDecreaseVar == "") {
+                    var brushDecrementedValue = 1;
+                    $("#btnBrushSize").val(brushDecrementedValue);
+                    $("#slider-range-min-2").slider("value", parseInt(brushDecrementedValue));
+                }
+                else if (brushDecreaseVar <= 1) {
                     $("#slider-range-min-2").slider("value", 1);
                 }
                 else {