diff --git a/src/backends/sage/sagesession.cpp b/src/backends/sage/sagesession.cpp
--- a/src/backends/sage/sagesession.cpp
+++ b/src/backends/sage/sagesession.cpp
@@ -194,7 +194,7 @@
     {
         //try to guess the version of sage to determine
         //if we have to use the legacy commands or not.
-        QRegExp versionExp(QLatin1String("Sage\\s+Version\\s+(\\d+)\\.(\\d+)"));
+        QRegExp versionExp(QLatin1String("Sage+(|Math)\\s+Version\\s+(\\d+)\\.(\\d+)"));
         int index=versionExp.indexIn(m_outputCache);
         if(index!=-1)
         {