1 files changed, 2 insertions, 2 deletions
diff --git a/sc/inc/paramisc.hxx b/sc/inc/paramisc.hxx
index 992c4fcc2bca..7548212dfb72 100644
--- a/sc/inc/paramisc.hxx
+++ b/sc/inc/paramisc.hxx
@@ -21,13 +21,13 @@
 #define INCLUDED_SC_INC_PARAMISC_HXX
 
 #include "address.hxx"
-#include <o3tl/optional.hxx>
+#include <optional>
 
 struct ScSolveParam
 {
     ScAddress                   aRefFormulaCell;
     ScAddress                   aRefVariableCell;
-    o3tl::optional<OUString>   pStrTargetVal;
+    std::optional<OUString>   pStrTargetVal;
 
     ScSolveParam();
     ScSolveParam( const ScSolveParam& r );