diff --git a/projects/mtg/src/GameObserver.cpp b/projects/mtg/src/GameObserver.cpp
index 423ec5efd..2c2983450 100644
--- a/projects/mtg/src/GameObserver.cpp
+++ b/projects/mtg/src/GameObserver.cpp
@@ -1666,7 +1666,7 @@ ostream& operator<<(ostream& out, const GameObserver& g)
         out << g.mSeed;
         out << endl;
         out << "rvalues:";
-        out << g.randomGenerator.saveUsedRandValues(out);
+        g.randomGenerator.saveUsedRandValues(out);
         out << endl;
         out << g.startupGameSerialized;
     }