diff --git a/.eslintignore b/.eslintignore
index c2862b719..8c8e96a37 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -505,6 +505,7 @@ packages/editor/CodeMirror/editorCommands/editorCommands.js
 packages/editor/CodeMirror/editorCommands/supportsCommand.js
 packages/editor/CodeMirror/editorCommands/swapLine.js
 packages/editor/CodeMirror/getScrollFraction.js
+packages/editor/CodeMirror/markdown/computeSelectionFormatting.test.js
 packages/editor/CodeMirror/markdown/computeSelectionFormatting.js
 packages/editor/CodeMirror/markdown/decoratorExtension.js
 packages/editor/CodeMirror/markdown/markdownCommands.bulletedVsChecklist.test.js
diff --git a/.gitignore b/.gitignore
index f983f2af5..ab9bdef23 100644
--- a/.gitignore
+++ b/.gitignore
@@ -491,6 +491,7 @@ packages/editor/CodeMirror/editorCommands/editorCommands.js
 packages/editor/CodeMirror/editorCommands/supportsCommand.js
 packages/editor/CodeMirror/editorCommands/swapLine.js
 packages/editor/CodeMirror/getScrollFraction.js
+packages/editor/CodeMirror/markdown/computeSelectionFormatting.test.js
 packages/editor/CodeMirror/markdown/computeSelectionFormatting.js
 packages/editor/CodeMirror/markdown/decoratorExtension.js
 packages/editor/CodeMirror/markdown/markdownCommands.bulletedVsChecklist.test.js
diff --git a/packages/editor/CodeMirror/markdown/computeSelectionFormatting.test.ts b/packages/editor/CodeMirror/markdown/computeSelectionFormatting.test.ts
new file mode 100644
index 000000000..09c6c332b
--- /dev/null
+++ b/packages/editor/CodeMirror/markdown/computeSelectionFormatting.test.ts
@@ -0,0 +1,21 @@
+import { EditorSelection } from '@codemirror/state';
+import createTestEditor from '../testUtil/createTestEditor';
+import computeSelectionFormatting from './computeSelectionFormatting';
+
+
+describe('computeSelectionFormatting', () => {
+	// The below tests rely on CodeMirror to correctly parse the document, which
+	// can be buggy (and fail very rarely).
+	jest.retryTimes(2);
+
+	it('should correctly compute formatting for partial links', async () => {
+		// Start with the selection midway through the link
+		const editor = await createTestEditor('A [partial link]', EditorSelection.cursor(4), ['Link']);
+
+		const formatting = computeSelectionFormatting(editor.state, false);
+		expect(formatting.linkData).toMatchObject({
+			linkText: null,
+			linkURL: null,
+		});
+	});
+});
diff --git a/packages/editor/CodeMirror/markdown/computeSelectionFormatting.ts b/packages/editor/CodeMirror/markdown/computeSelectionFormatting.ts
index bfd7c7430..85fbd3cc4 100644
--- a/packages/editor/CodeMirror/markdown/computeSelectionFormatting.ts
+++ b/packages/editor/CodeMirror/markdown/computeSelectionFormatting.ts
@@ -20,7 +20,10 @@ const computeSelectionFormatting = (state: EditorState, globalSpellcheck: boolea
 			};
 		}
 
-		return null;
+		return {
+			linkText: null,
+			linkURL: null,
+		};
 	};
 
 	// Find nodes that overlap/are within the selected region