diff --git a/src/solver/utils/filename.cpp b/src/solver/utils/filename.cpp
index d8a49f4b99..2b23ed35ce 100644
--- a/src/solver/utils/filename.cpp
+++ b/src/solver/utils/filename.cpp
@@ -69,7 +69,7 @@ std::string createMPSfilename(const OptPeriodStringGenerator& optPeriodStringGen
 std::string createSolutionFilename(const OptPeriodStringGenerator& optPeriodStringGenerator,
                                    const unsigned int optNumber)
 {
-    return createOptimizationFilename("solution", optPeriodStringGenerator, optNumber, "txt");
+    return createOptimizationFilename("optimal-values", optPeriodStringGenerator, optNumber, "txt");
 }
 
 std::string createMarginalCostFilename(const OptPeriodStringGenerator& optPeriodStringGenerator,