diff -ur ../cantor-4.14.3-orig/src/backends/qalculate/qalculateexpression.cpp ./src/backends/qalculate/qalculateexpression.cpp
--- ../cantor-4.14.3-orig/src/backends/qalculate/qalculateexpression.cpp	2014-11-01 13:56:09.000000000 +0100
+++ ./src/backends/qalculate/qalculateexpression.cpp	2022-12-28 13:44:07.000000000 +0100
@@ -101,7 +101,7 @@
             return;
         }
 
-        string expression = unlocalizeExpression(command);
+        std::string expression = unlocalizeExpression(command);
 
         kDebug() << "EXPR: " << QString(expression.c_str());