diff --git a/src/storm/storage/SymbolicModelDescription.cpp b/src/storm/storage/SymbolicModelDescription.cpp
index abf9aa340..584817ce8 100644
--- a/src/storm/storage/SymbolicModelDescription.cpp
+++ b/src/storm/storage/SymbolicModelDescription.cpp
@@ -229,6 +229,9 @@ namespace storm {
                 case SymbolicModelDescription::ModelType::POMDP:
                     out << "pomdp";
                     break;
+                case SymbolicModelDescription::ModelType::SMG:
+                    out << "smg";
+                    break;
             }
             return out;
         }