diff --git a/src/cc65/datatype.c b/src/cc65/datatype.c
index 1c17c2796..0cbac19af 100644
--- a/src/cc65/datatype.c
+++ b/src/cc65/datatype.c
@@ -63,7 +63,7 @@ type type_uint []   	= { T_UINT,	T_END };
 type type_long []   	= { T_LONG,	T_END };
 type type_ulong []  	= { T_ULONG,	T_END };
 type type_void []   	= { T_VOID,	T_END };
-type type_size_t []	= { T_UINT,     T_END };
+type type_size_t []	= { T_SIZE_T,   T_END };
 
 
 
diff --git a/src/cc65/datatype.h b/src/cc65/datatype.h
index 76bd018e1..f921a8e45 100644
--- a/src/cc65/datatype.h
+++ b/src/cc65/datatype.h
@@ -6,10 +6,10 @@
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
-/* (C) 1998-2002 Ullrich von Bassewitz                                       */
-/*               Wacholderweg 14                                             */
-/*               D-70597 Stuttgart                                           */
-/* EMail:        uz@musoftware.de                                            */
+/* (C) 1998-2004 Ullrich von Bassewitz                                       */
+/*               Römerstrasse 52                                             */
+/*               D-70794 Filderstadt                                         */
+/* EMail:        uz@cc65.org                                                 */
 /*                                                                           */
 /*                                                                           */
 /* This software is provided 'as-is', without any expressed or implied       */
@@ -128,6 +128,8 @@ enum {
     T_PTR      	= T_TYPE_PTR      | T_CLASS_PTR    | T_SIGN_NONE     | T_SIZE_NONE,
     T_FUNC     	= T_TYPE_FUNC     | T_CLASS_FUNC   | T_SIGN_NONE     | T_SIZE_NONE,
 
+    /* Aliases */
+    T_SIZE_T    = T_UINT,
 };