diff --git a/P3/form_penilaian_skp.php b/P3/form_penilaian_skp.php
index 09d25979271e43f211a600d7bc5c01f380c47ca5..651db192d034adb66826cffd493174ed0a3860cb 100644
--- a/P3/form_penilaian_skp.php
+++ b/P3/form_penilaian_skp.php
@@ -224,12 +224,14 @@
               $sum += $nilai_skp[$x];
             }
             echo "<br>sum= ",$sum;
-            $hasil_nilai_skp = $sum/$neff;
+            if ($neff!=0){
+              $hasil_nilai_skp = $sum/$neff;
 
-            $sql = "UPDATE skp
-                   SET nilai=$hasil_nilai_skp, modified_at=now()
-                   WHERE id_skp = $skp ";
-            $result = $conn->query($sql);
+              $sql = "UPDATE skp
+                     SET nilai=$hasil_nilai_skp, modified_at=now()
+                     WHERE id_skp = $skp ";
+              $result = $conn->query($sql);
+            }
           ?>
         <!--
         <div class="row" style="margin-bottom:10px !important;">