1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Solver/IndependentSolver.cpp b/lib/Solver/IndependentSolver.cpp
index c05fa6bb..3d73b067 100644
--- a/lib/Solver/IndependentSolver.cpp
+++ b/lib/Solver/IndependentSolver.cpp
@@ -404,7 +404,7 @@ public:
                             std::vector< std::vector<unsigned char> > &values,
                             bool &hasSolution);
   SolverRunStatus getOperationStatusCode();
-  char *getConstraintLog(const Query&);
+  std::string getConstraintLog(const Query&) override;
   void setCoreSolverTimeout(time::Span timeout);
 };
   
@@ -550,7 +550,7 @@ SolverImpl::SolverRunStatus IndependentSolver::getOperationStatusCode() {
   return solver->impl->getOperationStatusCode();      
 }
 
-char *IndependentSolver::getConstraintLog(const Query& query) {
+std::string IndependentSolver::getConstraintLog(const Query& query) {
   return solver->impl->getConstraintLog(query);
 }