Compile with gcc-4.0.
diff --git a/isisd/isis_lsp.h b/isisd/isis_lsp.h
index d92175c..67242f2 100644
--- a/isisd/isis_lsp.h
+++ b/isisd/isis_lsp.h
@@ -104,8 +104,8 @@
#define LSP_NEWER 2
#define LSP_OLDER 3
-#define LSP_PSEUDO_ID(I) ((u_char)(I)[ISIS_SYS_ID_LEN])
-#define LSP_FRAGMENT(I) ((u_char)(I)[ISIS_SYS_ID_LEN + 1])
+#define LSP_PSEUDO_ID(I) ((I)[ISIS_SYS_ID_LEN])
+#define LSP_FRAGMENT(I) ((I)[ISIS_SYS_ID_LEN + 1])
#define OWNLSPID(I) \
memcpy ((I), isis->sysid, ISIS_SYS_ID_LEN);\
(I)[ISIS_SYS_ID_LEN] = 0;\