diff --git a/ext/Setup b/ext/Setup
index 867d88cfda..9e3a2474c3 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -10,4 +10,4 @@
 #socket
 #tkutil
 #tcltklib
-gtk
+#gtk
diff --git a/sample/trojan.rb b/sample/trojan.rb
index 2024da0908..edf8ee63ce 100644
--- a/sample/trojan.rb
+++ b/sample/trojan.rb
@@ -2,10 +2,10 @@
 path = ENV['PATH'].split(/:/)
 
 for dir in path
-  if File.d(dir)
+  if File.directory?(dir)
     for f in d = Dir.open(dir)
       fpath = dir+"/"+f  
-      if File.f(fpath) && (File.stat(fpath).mode & 022) != 0
+      if File.file?(fpath) && (File.stat(fpath).mode & 022) != 0
 	printf("file %s is writable from other users\n", fpath)
       end
     end
diff --git a/version.h b/version.h
index d833a21273..c19457a289 100644
--- a/version.h
+++ b/version.h
@@ -1,2 +1,2 @@
-#define RUBY_VERSION "1.1b9_14"
-#define VERSION_DATE "98/04/22"
+#define RUBY_VERSION "1.1b9_15"
+#define VERSION_DATE "98/04/24"