diff --git a/test/file_test.rb b/test/file_test.rb
index c703b19..2ce8bec 100644
--- a/test/file_test.rb
+++ b/test/file_test.rb
@@ -528,9 +528,8 @@ class ZipFileTest < MiniTest::Test
   end
 
   def test_empty_zip
-    puts `touch empty.zip`
     assert_raises(::Zip::Error) do
-      ::Zip::File.open('empty.zip')
+      ::Zip::File.open(TestFiles::NULL_FILE)
     end
   end
 
diff --git a/test/gentestfiles.rb b/test/gentestfiles.rb
index 425f0c1..88ffd38 100755
--- a/test/gentestfiles.rb
+++ b/test/gentestfiles.rb
@@ -9,6 +9,8 @@ class TestFiles
   RANDOM_BINARY_FILE1 = 'test/data/generated/randomBinary1.bin'
   RANDOM_BINARY_FILE2 = 'test/data/generated/randomBinary2.bin'
 
+  NULL_FILE = 'test/data/generated/null.zip' # Zero length, so not a zip file.
+
   EMPTY_TEST_DIR = 'test/data/generated/emptytestdir'
 
   ASCII_TEST_FILES = [RANDOM_ASCII_FILE1, RANDOM_ASCII_FILE2, RANDOM_ASCII_FILE3]
@@ -28,6 +30,8 @@ class TestFiles
         create_random_binary(filename, 1E4 * (index + 1))
       end
 
+      system("touch #{NULL_FILE}")
+
       ensure_dir(EMPTY_TEST_DIR)
     end