diff --git a/kole.html b/kole.html
index 5fa2769..14eb301 100644
--- a/kole.html
+++ b/kole.html
@@ -133,8 +133,6 @@
 		}
 
 		s.addEventListener('click', function(){
-			c.selectedIndex=0;
-			z.disabled=true;
 			if(bk.checked){
 				e.value = roundCents( getFormFloat(k) * ( 1 + getFormFloat(u) / 100 ) / ( 1 - getFormFloat(z) / 100 ) );
 				n.value = roundCents( getFormFloat(k) / ( 1 - getFormFloat(z) / 100 ) );
@@ -170,6 +168,11 @@
 					break;;
 			}
 		});
+		// set entropy tax to standard value
+		c.selectedIndex=0;
+		z.value='23.00';
+		z.disabled=true;
+		// calc
 		s.click();
 	</script>
 	</div>