diff --git a/lib/Form/DisplayFormInWPContent.php b/lib/Form/DisplayFormInWPContent.php
index 9a684892fd..cb6545fc50 100644
--- a/lib/Form/DisplayFormInWPContent.php
+++ b/lib/Form/DisplayFormInWPContent.php
@@ -187,8 +187,11 @@ class DisplayFormInWPContent {
       return false;
     }
 
-    if ($this->wp->isSingular('post') && $this->shouldDisplayFormOnPost($setup, 'posts')) {
-      return true;
+    if ($this->wp->isSingular('post')) {
+      if ($this->shouldDisplayFormOnPost($setup, 'posts')) return true;
+      if (isset($setup['categories']) && $this->wp->hasCategory($setup['categories'])) return true;
+      if (isset($setup['tags']) && $this->wp->hasTag($setup['tags'])) return true;
+      return false;
     }
     if ($this->wp->isPage() && $this->shouldDisplayFormOnPost($setup, 'pages')) {
       return true;
@@ -197,7 +200,7 @@ class DisplayFormInWPContent {
     return false;
   }
 
-  private function shouldDisplayFormOnPost($setup, $postsKey): bool {
+  private function shouldDisplayFormOnPost(array $setup, string $postsKey): bool {
     if (!isset($setup[$postsKey])) {
       return false;
     }
diff --git a/lib/WP/Functions.php b/lib/WP/Functions.php
index 04df3c0ad2..fd5b1119e7 100644
--- a/lib/WP/Functions.php
+++ b/lib/WP/Functions.php
@@ -232,6 +232,14 @@ class Functions {
     return get_post($post, $output, $filter);
   }
 
+  public function hasCategory($category = '', $post = null): bool {
+    return has_category($category, $post);
+  }
+
+  public function hasTag($tag = '', $post = null): bool {
+    return has_tag($tag, $post);
+  }
+
   public function getPostThumbnailId($post = null) {
     return get_post_thumbnail_id($post);
   }
diff --git a/tests/unit/Form/DisplayFormInWPContentTest.php b/tests/unit/Form/DisplayFormInWPContentTest.php
index 458c6e3f7c..38bf18bc43 100644
--- a/tests/unit/Form/DisplayFormInWPContentTest.php
+++ b/tests/unit/Form/DisplayFormInWPContentTest.php
@@ -84,6 +84,62 @@ class DisplayFormInWPContentTest extends \MailPoetUnitTest {
     expect($result)->endsWith($renderedForm);
   }
 
+  public function testAppendsRenderedFormAfterOnASpecificCategory() {
+    $renderedForm = '<form class="form"></form>';
+    $this->wp->expects($this->once())->method('isSingle')->willReturn(true);
+    $this->wp->expects($this->any())->method('isSingular')->willReturn(true);
+    $this->wp->expects($this->any())->method('getPost')->willReturn(['ID' => 1]);
+    $this->wp->expects($this->any())->method('hasCategory')->willReturn(true);
+    $this->assetsController->expects($this->once())->method('setupFrontEndDependencies');
+    $this->templateRenderer->expects($this->once())->method('render')->willReturn($renderedForm);
+    $form = new FormEntity('My Form');
+    $form->setSettings([
+      'segments' => ['3'],
+      'form_placement' => [
+        'below_posts' => [
+          'enabled' => '1',
+          'pages' => ['all' => ''],
+          'posts' => ['all' => '', 'selected' => ['2']],
+          'categories' => ['2'],
+        ],
+      ],
+    ]);
+    $form->setBody([['type' => 'submit', 'params' => ['label' => 'Subscribe!'], 'id' => 'submit', 'name' => 'Submit']]);
+    $this->repository->expects($this->once())->method('findBy')->willReturn([$form]);
+    $result = $this->hook->display('content');
+    expect($result)->notEquals('content');
+    expect($result)->endsWith($renderedForm);
+  }
+
+  public function testAppendsRenderedFormAfterOnASpecificTag() {
+    $renderedForm = '<form class="form"></form>';
+    $this->wp->expects($this->once())->method('isSingle')->willReturn(true);
+    $this->wp->expects($this->any())->method('isSingular')->willReturn(true);
+    $this->wp->expects($this->any())->method('getPost')->willReturn(['ID' => 1]);
+    $this->wp->expects($this->any())->method('hasCategory')->willReturn(false);
+    $this->wp->expects($this->any())->method('hasTag')->willReturn(true);
+    $this->assetsController->expects($this->once())->method('setupFrontEndDependencies');
+    $this->templateRenderer->expects($this->once())->method('render')->willReturn($renderedForm);
+    $form = new FormEntity('My Form');
+    $form->setSettings([
+      'segments' => ['3'],
+      'form_placement' => [
+        'below_posts' => [
+          'enabled' => '1',
+          'pages' => ['all' => ''],
+          'posts' => ['all' => '', 'selected' => ['2']],
+          'categories' => ['2'],
+          'tags' => ['3'],
+        ],
+      ],
+    ]);
+    $form->setBody([['type' => 'submit', 'params' => ['label' => 'Subscribe!'], 'id' => 'submit', 'name' => 'Submit']]);
+    $this->repository->expects($this->once())->method('findBy')->willReturn([$form]);
+    $result = $this->hook->display('content');
+    expect($result)->notEquals('content');
+    expect($result)->endsWith($renderedForm);
+  }
+
   public function testAppendsRenderedFormAfterOnASpecificPage() {
     $renderedForm = '<form class="form"></form>';
     $this->wp->expects($this->any())->method('isSingle')->willReturn(true);