diff --git a/src/modules/partition/PMUtils.cpp b/src/modules/partition/PMUtils.cpp
index a9f79e858..43c98be45 100644
--- a/src/modules/partition/PMUtils.cpp
+++ b/src/modules/partition/PMUtils.cpp
@@ -27,7 +27,7 @@ namespace PMUtils
 
 bool isPartitionFreeSpace( Partition* partition )
 {
-    return partition->fileSystem().type() == FileSystem::Unknown;
+    return partition->roles().has( PartitionRole::Unallocated );
 }
 
 } // namespace