diff --git a/include/SWRaid_Info.h b/include/SWRaid_Info.h
index 85404010..b1a14a58 100644
--- a/include/SWRaid_Info.h
+++ b/include/SWRaid_Info.h
@@ -58,6 +58,7 @@ public:
 	static void load_cache();
 	static bool is_member( const Glib::ustring & member_path );
 	static bool is_member_active( const Glib::ustring & member_path );
+	static FSType get_fstype(const Glib::ustring& member_path);
 	static Glib::ustring get_array( const Glib::ustring & member_path );
 	static Glib::ustring get_uuid( const Glib::ustring & member_path );
 	static Glib::ustring get_label( const Glib::ustring & member_path );
diff --git a/src/GParted_Core.cc b/src/GParted_Core.cc
index 449cc328..f5530080 100644
--- a/src/GParted_Core.cc
+++ b/src/GParted_Core.cc
@@ -1202,9 +1202,9 @@ FSType GParted_Core::detect_filesystem( PedDevice * lp_device, PedPartition * lp
 		// (Q4) internal
 		path = lp_device->path;
 
-	// (Q1) Linux Software RAID member detection
+	// (Q1) SWRaid_Info (mdadm) member detection.
 	if ( SWRaid_Info::is_member( path ) )
-		return FS_LINUX_SWRAID;
+		return SWRaid_Info::get_fstype(path);
 
 	// (Q2) FS_Info (blkid) file system detection
 	// Blkid detects more signatures and generally has less limitations so use before
diff --git a/src/SWRaid_Info.cc b/src/SWRaid_Info.cc
index f57cea9e..a719762d 100644
--- a/src/SWRaid_Info.cc
+++ b/src/SWRaid_Info.cc
@@ -74,6 +74,16 @@ bool SWRaid_Info::is_member_active( const Glib::ustring & member_path )
 	return memb.active;
 }
 
+
+// Return "file system" type of the member, or FS_UNKNOWN if there is no such member.
+FSType SWRaid_Info::get_fstype(const Glib::ustring& member_path)
+{
+	initialise_if_required();
+	const SWRaid_Member& memb = get_cache_entry_by_member(member_path);
+	return memb.fstype;
+}
+
+
 // Return array /dev entry (e.g. "/dev/md1") containing the specified member, or "" if the
 // array is not running or there is no such member.
 Glib::ustring SWRaid_Info::get_array( const Glib::ustring & member_path )