diff --git a/src/core/kmountpoint.cpp b/src/core/kmountpoint.cpp
--- a/src/core/kmountpoint.cpp
+++ b/src/core/kmountpoint.cpp
@@ -538,7 +538,7 @@
         || d->mountType == QLatin1String("nfs4")
         || d->mountType == QLatin1String("cifs")
         || d->mountType == QLatin1String("autofs")
-        || d->mountType == QLatin1String("subfs");
+        || d->mountType == QLatin1String("smbfs");
 }
 
 bool KMountPoint::testFileSystemFlag(FileSystemFlag flag) const