diff --git a/Views/appreciations/view_single.php b/Views/appreciations/view_single.php
index 8c64d4e..3a119ce 100644
--- a/Views/appreciations/view_single.php
+++ b/Views/appreciations/view_single.php
@@ -8,7 +8,12 @@
         <h3> <?= $O_appr->getAuthorOrAnon()->S_USERNAME ?> </h3>
         <p>Le <?= $O_appr->S_DATE ?> </p>
         <p> <?= $O_appr->I_NOTE ?>/5 </p>
-        <?php if ($A_view["ADMIN"] || $A_view["USER_ID"] === $O_appr->I_AUTHOR_ID) { ?>
+        <?php
+        $B_can_delete = (
+            $A_view["ADMIN"] ||
+            ($A_view["USER_ID"] === $O_appr->I_AUTHOR_ID && $O_appr->I_AUTHOR_ID !== null)
+        );
+        if ($B_can_delete) { ?>
             <a href="/appr/delete/<?= $O_appr->I_ID ?>">Supprimer l'appréciation</a>
         <?php } ?>
     </header>
diff --git a/Views/recipe/view.php b/Views/recipe/view.php
index f5783dc..cdd8e20 100644
--- a/Views/recipe/view.php
+++ b/Views/recipe/view.php
@@ -37,7 +37,12 @@ $O_recipe = $A_view["RECIPE"];
 
         <p>By <?= $O_recipe->getAuthorOrAnon()->S_USERNAME ?> </p>
 
-        <?php if ($A_view["ADMIN"] || $A_view["USER_ID"] === $O_recipe->I_AUTHOR_ID) { ?>
+        <?php
+        $B_can_interact = (
+            $A_view["ADMIN"] ||
+            ($A_view["USER_ID"] === $O_appr->I_AUTHOR_ID && $O_appr->I_AUTHOR_ID !== null)
+        );
+        if ($B_can_interact) { ?>
             <section class="buttonsEditRecipe">
                 <a href="/recipe/edit/<?= $O_recipe->I_ID ?>">Modifier la recette</a>
                 <a href="/recipe/delete/<?= $O_recipe->I_ID ?>">Supprimer la recette</a>