diff --git a/Libraries/LibWeb/Editing/Internal/Algorithms.cpp b/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
index 75d09b4ef9d..85f3c828aae 100644
--- a/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
+++ b/Libraries/LibWeb/Editing/Internal/Algorithms.cpp
@@ -38,13 +38,13 @@
 namespace Web::Editing {
 
 // https://w3c.github.io/editing/docs/execCommand/#block-extend
-GC::Ref<DOM::Range> block_extend_a_range(DOM::Range& range)
+GC::Ref<DOM::Range> block_extend_a_range(GC::Ref<DOM::Range> range)
 {
     // 1. Let start node, start offset, end node, and end offset be the start and end nodes and offsets of range.
-    GC::Ptr<DOM::Node> start_node = range.start_container();
-    auto start_offset = range.start_offset();
-    GC::Ptr<DOM::Node> end_node = range.end_container();
-    auto end_offset = range.end_offset();
+    GC::Ptr<DOM::Node> start_node = range->start_container();
+    auto start_offset = range->start_offset();
+    GC::Ptr<DOM::Node> end_node = range->end_container();
+    auto end_offset = range->end_offset();
 
     // 2. If some inclusive ancestor of start node is an li, set start offset to the index of the last such li in tree
     //    order, and set start node to that li's parent.
diff --git a/Libraries/LibWeb/Editing/Internal/Algorithms.h b/Libraries/LibWeb/Editing/Internal/Algorithms.h
index eb9ab2338a8..7a2dd05256d 100644
--- a/Libraries/LibWeb/Editing/Internal/Algorithms.h
+++ b/Libraries/LibWeb/Editing/Internal/Algorithms.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2024, Jelle Raaijmakers <jelle@ladybird.org>
+ * Copyright (c) 2024-2025, Jelle Raaijmakers <jelle@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -31,7 +31,7 @@ using Selection::Selection;
 // Below algorithms are specified here:
 // https://w3c.github.io/editing/docs/execCommand/#assorted-common-algorithms
 
-GC::Ref<DOM::Range> block_extend_a_range(DOM::Range&);
+GC::Ref<DOM::Range> block_extend_a_range(GC::Ref<DOM::Range>);
 GC::Ptr<DOM::Node> block_node_of_node(GC::Ref<DOM::Node>);
 String canonical_space_sequence(u32 length, bool non_breaking_start, bool non_breaking_end);
 void canonicalize_whitespace(DOM::BoundaryPoint, bool fix_collapsed_space = true);