diff --git a/packages/libtar/namespaced/Libx.Libtar.pp b/packages/libtar/namespaced/Libx.Libtar.pp
new file mode 100644
index 0000000000..8e1b1f05b3
--- /dev/null
+++ b/packages/libtar/namespaced/Libx.Libtar.pp
@@ -0,0 +1,3 @@
+unit Libx.Libtar;
+{$DEFINE FPC_DOTTEDUNITS}
+{$i libtar.pp}
diff --git a/packages/libtar/namespaces.lst b/packages/libtar/namespaces.lst
new file mode 100644
index 0000000000..3045466c5b
--- /dev/null
+++ b/packages/libtar/namespaces.lst
@@ -0,0 +1,3 @@
+src/libtar.pp=namespaced/Libx.Libtar.pp
+{s*:src/}=namespaced/
+{i+:src/}
diff --git a/packages/libtar/src/libtar.pp b/packages/libtar/src/libtar.pp
index 00515930b3..1388588e30 100644
--- a/packages/libtar/src/libtar.pp
+++ b/packages/libtar/src/libtar.pp
@@ -84,7 +84,9 @@ Date        Author Changes
 									Mostly rawbytestring and a couple of more hary typecasts.
 *)
 
+{$IFNDEF FPC_DOTTEDUNITS}
 UNIT libtar;
+{$ENDIF FPC_DOTTEDUNITS}
 
 INTERFACE
 
@@ -97,6 +99,19 @@ INTERFACE
   {$ENDIF}
 {$ENDIF} 
 
+{$IFDEF FPC_DOTTEDUNITS}
+USES
+{$IFDEF LIBCUNIT}
+   Api.Libc,		// MvdV: Nothing is used from this???
+{$ENDIF}
+{$ifdef Unix} 
+  UnixApi.Types, UnixApi.Base, UnixApi.Unix,
+{$endif}
+(*$IFDEF MSWINDOWS *)
+   WinApi.Windows,
+(*$ENDIF *)
+  System.SysUtils, System.Classes;
+{$ELSE FPC_DOTTEDUNITS}
 USES
 {$IFDEF LIBCUNIT}
    Libc,		// MvdV: Nothing is used from this???
@@ -108,6 +123,7 @@ USES
    Windows,
 (*$ENDIF *)
   SysUtils, Classes;
+{$ENDIF FPC_DOTTEDUNITS}
 
 
 TYPE