diff --git a/test/test_language.rb b/test/test_language.rb
index 6a8dccda..e1876898 100644
--- a/test/test_language.rb
+++ b/test/test_language.rb
@@ -112,7 +112,7 @@ class TestLanguage < Test::Unit::TestCase
     assert_equal Language['OpenEdge ABL'], Language.find_by_alias('progress')
     assert_equal Language['OpenEdge ABL'], Language.find_by_alias('abl')
     assert_equal Language['Parrot Internal Representation'], Language.find_by_alias('pir')
-    assert_equal Language['Powershell'], Language.find_by_alias('posh')
+    assert_equal Language['PowerShell'], Language.find_by_alias('posh')
     assert_equal Language['Puppet'], Language.find_by_alias('puppet')
     assert_equal Language['Pure Data'], Language.find_by_alias('pure-data')
     assert_equal Language['Raw token data'], Language.find_by_alias('raw')
@@ -196,7 +196,7 @@ class TestLanguage < Test::Unit::TestCase
   def test_programming
     assert_equal :programming, Language['JavaScript'].type
     assert_equal :programming, Language['Perl'].type
-    assert_equal :programming, Language['Powershell'].type
+    assert_equal :programming, Language['PowerShell'].type
     assert_equal :programming, Language['Python'].type
     assert_equal :programming, Language['Ruby'].type
   end
@@ -249,8 +249,8 @@ class TestLanguage < Test::Unit::TestCase
     assert_equal Language['PHP'], Language.find_by_extension('php3')
     assert_equal Language['PHP'], Language.find_by_extension('php4')
     assert_equal Language['PHP'], Language.find_by_extension('php5')
-    assert_equal Language['Powershell'], Language.find_by_extension('psm1')
-    assert_equal Language['Powershell'], Language.find_by_extension('ps1')
+    assert_equal Language['PowerShell'], Language.find_by_extension('psm1')
+    assert_equal Language['PowerShell'], Language.find_by_extension('ps1')
     assert_nil Language.find_by_extension('.kt')
   end