diff --git a/NEWS.md b/NEWS.md
index baa7a5167..402440cd9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -3,6 +3,7 @@
 - A Spanish translation update by cyphra.
 - Resolved a crash when inverting the worksheet (#1951)
 - Do not strip Lisp commnents before sending the input to Maxima (#1953)
+- Correctly copy superscript when CopyAsMathML (#1945)
 
 # 24.08.0
 
diff --git a/src/cells/SubSupCell.cpp b/src/cells/SubSupCell.cpp
index 67ba01ab9..e218edc37 100644
--- a/src/cells/SubSupCell.cpp
+++ b/src/cells/SubSupCell.cpp
@@ -294,7 +294,7 @@ wxString SubSupCell::ToMathML() const {
     else
       retval += "<mrow/>";
     if (m_postSupCell)
-      m_postSupCell->ListToMathML();
+      retval += m_postSupCell->ListToMathML();
     else
       retval += "<mrow/>";
     retval += "</msubsup>\n";