diff --git a/tilecloud_chain/tests/test_generate.py b/tilecloud_chain/tests/test_generate.py
index 859f3a8ce..0664de65a 100644
--- a/tilecloud_chain/tests/test_generate.py
+++ b/tilecloud_chain/tests/test_generate.py
@@ -124,14 +124,14 @@ def test_test_all(self, l):
             )
         l.check()
 
-    @attr(test_dimentions=True)
+    @attr(test_dimensions=True)
     @attr(general=True)
     @log_capture('tilecloud_chain', level=30)
-    def test_test_dimentions(self, l):
+    def test_test_dimensions(self, l):
         for d in ('-d', ''):
             self.assert_tiles_generated(
                 cmd='./buildout/bin/generate_tiles %s -c tilegeneration/test-nosns.yaml -t 1 '
-                '--dimentions DATE=2013' % d,
+                '--dimensions DATE=2013' % d,
                 main_func=generate.main,
                 directory="/tmp/tiles/",
                 tiles_pattern='1.0.0/%s/default/2013/swissgrid_5/%i/%i/%i.png',