diff --git a/gdb/expread.y b/gdb/expread.y
index acced91a60b..b59d4ec6058 100755
--- a/gdb/expread.y
+++ b/gdb/expread.y
@@ -529,7 +529,8 @@ block	:	BLOCKNAME
 			      struct symtab *tem =
 				  lookup_symtab (copy_name ($1.stoken));
 			      if (tem)
-				$$ = BLOCKVECTOR_BLOCK (BLOCKVECTOR (tem), 1);
+				$$ = BLOCKVECTOR_BLOCK
+					 (BLOCKVECTOR (tem), STATIC_BLOCK);
 			      else
 				error ("No file or function \"%s\".",
 				       copy_name ($1.stoken));
diff --git a/gdb/symtab.h b/gdb/symtab.h
index e63c8795a98..0421357ec7c 100644
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -317,6 +317,11 @@ struct blockvector
   struct block *block[1];
 };
 
+/* Special block numbers */
+#define GLOBAL_BLOCK	0
+#define	STATIC_BLOCK	1
+#define	FIRST_LOCAL_BLOCK	2
+
 struct block
 {
   /* Addresses in the executable code that are in this block.