2 files changed, 2 insertions, 2 deletions
diff --git a/ext/syck/rubyext.c b/ext/syck/rubyext.c
index 282f05273f..a5fb2a1c7a 100644
--- a/ext/syck/rubyext.c
+++ b/ext/syck/rubyext.c
@@ -114,7 +114,7 @@ rb_syck_compile(VALUE self, VALUE port)
     syck_parser_taguri_expansion( parser, 0 );
     oid = syck_parse( parser );
     if (!syck_lookup_sym( parser, oid, &data )) {
-	rb_raise(rb_eSyntaxError, "root node <%lx> not found", oid);
+	rb_raise(rb_eSyntaxError, "root node <%p> not found", (void *)oid);
     }
     sav = data;
 
diff --git a/ext/syck/syck.h b/ext/syck/syck.h
index 2cf81a8b9a..7fd97f1b0a 100644
--- a/ext/syck/syck.h
+++ b/ext/syck/syck.h
@@ -69,7 +69,7 @@ void syck_assert( const char *, unsigned, const char * );
 typedef long st_data_t;
 #endif
 
-#define SYMID unsigned long
+#define SYMID st_data_t
 
 typedef struct _syck_node SyckNode;