diff --git a/taglib/mp4/mp4chapter.cpp b/taglib/mp4/mp4chapter.cpp
index 00165743..e87e49a1 100644
--- a/taglib/mp4/mp4chapter.cpp
+++ b/taglib/mp4/mp4chapter.cpp
@@ -58,7 +58,7 @@ MP4::Chapter &MP4::Chapter::Chapter::operator=(const Chapter &other)
   return *this;
 }
 
-MP4::Chapter &MP4::Chapter::Chapter::operator=(
+MP4::Chapter &MP4::Chapter::operator=(
   Chapter &&other) noexcept = default;
 
 bool MP4::Chapter::operator==(const Chapter &other) const