diff --git a/scripts/inject-chapter-navigation-footer b/scripts/inject-chapter-navigation-footer
index 63228bc7..45c9c296 100644
--- a/scripts/inject-chapter-navigation-footer
+++ b/scripts/inject-chapter-navigation-footer
@@ -31,6 +31,10 @@ spine_titles = [se.easy_xml.EasyXmlTree(open(file_path).read()).xpath("//head/ti
 # Make list of dicts containing title and relative path for each file
 chapter_links = [{"title": title, "path": path} for title, path in zip(spine_titles, rel_spine_paths)]
 
+# Create helper function for getting filename without extension
+def get_filename_without_extension(obj):
+	return os.path.splitext(obj["path"])[0] if obj else ""
+
 # Create footers
 for i, chapter_link in enumerate(chapter_links):
 	previousObj = chapter_links[i - 1] if i > 0 else None
@@ -38,11 +42,13 @@ for i, chapter_link in enumerate(chapter_links):
 
 	fileName = os.path.join(ebook_dir, "src/epub", chapter_link["path"])
 
+	previous_link_filename, next_link_filename = [get_filename_without_extension(obj) for obj in [previousObj, nextObj]]
+
 	with open(fileName, "r") as file:
 		chapter = file.read()
 
-	previousLink = f"""<a href="{book_url}/{previousObj["path"]}" rel="prev"><i>Previous:</i> {html.escape(previousObj["title"])}</a>""" if previousObj else ""
-	nextLink = f"""<a href="{book_url}/{nextObj["path"]}" rel="next"><i>Next:</i> {html.escape(nextObj["title"])}</a>""" if nextObj else ""
+	previousLink = f"""<a href="{book_url}/{previous_link_filename}" rel="prev"><i>Previous:</i> {html.escape(previousObj["title"])}</a>""" if previousObj else ""
+	nextLink = f"""<a href="{book_url}/{next_link_filename}" rel="next"><i>Next:</i> {html.escape(nextObj["title"])}</a>""" if nextObj else ""
 
 	footer = f"<footer><ul><li>{previousLink}</li><li>{nextLink}</li></ul></footer>"
 	chapter = chapter.replace("</body>", f"{footer}</body>")