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-rw-r--r--starmath/inc/ElementsDockingWindow.hxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/starmath/inc/ElementsDockingWindow.hxx b/starmath/inc/ElementsDockingWindow.hxx
index 2cf3a33e482c..dbfb3734b8d8 100644
--- a/starmath/inc/ElementsDockingWindow.hxx
+++ b/starmath/inc/ElementsDockingWindow.hxx
@@ -133,7 +133,7 @@ public:
static const auto& categories() { return m_aCategories; }
static size_t categoriesSize() { return m_aCategoriesSize; }
- OString elementSetId() const { return msCurrentSetId; }
+ const OString& elementSetId() const { return msCurrentSetId; }
void setElementSetId(const char* pSetId);
void setVerticalMode(bool bVertical);