diff --git a/qt/python/mantidqtpython/mantidqtpython_def.sip b/qt/python/mantidqtpython/mantidqtpython_def.sip
index 9f5d9323495300979137e4329b619e56decaade4..d4cf268a94db45347fe75484a42c73c61eff7503 100644
--- a/qt/python/mantidqtpython/mantidqtpython_def.sip
+++ b/qt/python/mantidqtpython/mantidqtpython_def.sip
@@ -1600,7 +1600,7 @@ public:
                     const std::vector<MantidQt::MantidWidgets::Batch::Cell> &cells);
     MantidQt::MantidWidgets::Batch::Cell cellAt(MantidQt::MantidWidgets::Batch::RowLocation location, int column);
     void setCellAt(MantidQt::MantidWidgets::Batch::RowLocation location, int column, const MantidQt::MantidWidgets::Batch::Cell &cellText);
-    Cell deadCell() const;
+    MantidQt::MantidWidgets::Batch::Cell deadCell() const;
 
     std::vector<MantidQt::MantidWidgets::Batch::RowLocation> selectedRowLocations() const;
     boost::optional<std::vector<std::vector<MantidQt::MantidWidgets::Batch::Row>>> selectedSubtrees() const;