diff --git a/src/plugins/sfdisk/sfdiskpartitiontable.cpp b/src/plugins/sfdisk/sfdiskpartitiontable.cpp
index 4e7bc59..62c4417 100644
--- a/src/plugins/sfdisk/sfdiskpartitiontable.cpp
+++ b/src/plugins/sfdisk/sfdiskpartitiontable.cpp
@@ -193,6 +193,7 @@ static QLatin1String getPartitionType(FileSystem::Type t, PartitionTable::TableT
         type = 1;
         break;
     default:;
+        return QLatin1String();
     }
     for (quint32 i = 0; i < sizeof(typemap) / sizeof(typemap[0]); i++)
         if (typemap[i].type == t)