diff --git a/index.php b/index.php
index 5122245..9e61d6e 100644
--- a/index.php
+++ b/index.php
@@ -15,7 +15,7 @@
             <th><img src="./graniastoslup.jpg" alt="granistosłup" title="granistosłup"></th>
             <th><img src="./ostroslup.jpg" alt="ostrosłup" title="ostrosłup"></th>
          </tr>
-        <form action="oblicz.php" method="post">
+        <form action="calc.php" method="post">
             <tr>
                 <th><input type="submit" value="walec" name="walec"></th>
                 <th><input type="submit" value="stożek" name="stozek"></th>