diff --git a/src/ConvertKit_API_Traits.php b/src/ConvertKit_API_Traits.php
index 471c1b8..5267f5d 100644
--- a/src/ConvertKit_API_Traits.php
+++ b/src/ConvertKit_API_Traits.php
@@ -2682,6 +2682,11 @@ public function convert_relative_to_absolute_urls(\DOMNodeList $elements, string
                 continue;
             }
 
+            // Skip if the attribute's value is an anchor.
+            if (strpos($element->getAttribute($attribute), '#') !== false) {
+                continue;
+            }
+
             // Remove element if it's rocket-loader.min.js. Including it prevents landing page redirects from working.
             if (strpos($element->getAttribute($attribute), 'rocket-loader.min.js') !== false) {
                 if ($element->parentNode instanceof \DOMNode) {
diff --git a/tests/ConvertKitMethodsTest.php b/tests/ConvertKitMethodsTest.php
index 5152d1c..2373c03 100644
--- a/tests/ConvertKitMethodsTest.php
+++ b/tests/ConvertKitMethodsTest.php
@@ -47,6 +47,7 @@ public function testConvertRelativeToAbsoluteUrls()
             </head>
             <body>
                 <a href="/test">Test</a>
+                <a href="#anchor">Anchor</a>
                 <img src="/test.jpg" />
                 <script type="text/javascript" src="/test.js"></script>
                 <form action="/test">Test</form>
@@ -112,6 +113,12 @@ public function testConvertRelativeToAbsoluteUrls()
             '<form action="' . $url_scheme_host_only . '/test">Test</form>',
             $output
         );
+
+        // Assert string contains expected HTML elements that should not be modified.
+        $this->assertStringContainsString(
+            '<a href="#anchor">Anchor</a>',
+            $output
+        );
     }
 
     /**
