diff --git a/components/calcValues.vue b/components/calcValues.vue
index aaa41c1..a350701 100644
--- a/components/calcValues.vue
+++ b/components/calcValues.vue
@@ -101,13 +101,12 @@ const changeParametres = () => {
         if (full_sections == 0) {
             length = total_length_mm - fence_length - fence_length
         }
-        let total_length_calc = (full_sections * length) + (full_sections * fence_length) + fence_length
-        if ((total_length_mm - total_length_calc) > 0 && (total_length_mm - total_length_calc) < fence_length) {
-            full_sections -= 1
-        }
     }
     let total_length_calc = (full_sections * length) + (full_sections * fence_length) + fence_length
-    if (total_length_calc < total_length_mm) {
+    if (Math.round(total_length_mm - total_length_calc) > 0 && Math.round(total_length_mm - total_length_calc) <= fence_length) {
+        full_sections -= 1
+    }
+    if (Math.round(total_length_mm - total_length_calc) > 0) {
         form_state.extra_section = total_length_mm - total_length_calc - fence_length
     } else {
         form_state.extra_section = 0