1 files changed, 5 insertions, 5 deletions
diff --git a/src/format.h b/src/format.h
index 8df2dd1e..df757eeb 100644
--- a/src/format.h
+++ b/src/format.h
@@ -69,11 +69,11 @@ class format_t : public noncopyable
       EXPR,
     };
 
-    kind_t	  type;
-    unsigned char min_width;
-    unsigned char max_width;
-    string	  chars;
-    expr_t	  expr;
+    kind_t	type;
+    std::size_t min_width;
+    std::size_t max_width;
+    string	chars;
+    expr_t	expr;
 
     scoped_ptr<struct element_t> next;