diff --git a/src/plugins/dataStore/DataStore/src/datastorepythonwrapper.cpp b/src/plugins/dataStore/DataStore/src/datastorepythonwrapper.cpp
index a315ac196c..cf3d3d16d3 100644
--- a/src/plugins/dataStore/DataStore/src/datastorepythonwrapper.cpp
+++ b/src/plugins/dataStore/DataStore/src/datastorepythonwrapper.cpp
@@ -425,7 +425,7 @@ double DataStorePythonWrapper::value(DataStoreVariable *pDataStoreVariable,
         return pDataStoreVariable->value(pPosition, pRun);
     }
 
-    throw std::runtime_error(tr("The 'NoneType' object is not subscriptable."));
+    throw std::runtime_error(tr("The 'NoneType' object is not subscriptable.").toStdString());
 }
 
 //==============================================================================