diff --git a/test/suite.rb b/test/suite.rb
index 17a707b6..64591518 100644
--- a/test/suite.rb
+++ b/test/suite.rb
@@ -3,7 +3,7 @@ require 'test/unit'
 # for some reason these tests fail when run via TextMate
 # but succeed when run on the command line.
 
-tests = Dir["#{File.dirname(__FILE__)}/test_*.rb"]
+tests = Dir[File.expand_path("#{File.dirname(__FILE__)}/test_*.rb")]
 tests.each do |file|
   require file
 end
\ No newline at end of file