diff --git a/tests/test_texture.py b/tests/test_texture.py
index 646585d..4349595 100644
--- a/tests/test_texture.py
+++ b/tests/test_texture.py
@@ -12,6 +12,10 @@ from gi.repository import Gdk
 class TestTextureCache(unittest.TestCase):
     """Test our custom cache dictionary."""
 
+    def setUpClass():
+        """Clear the existing cache before testing."""
+        emmental.texture.CACHE.clear()
+
     def setUp(self):
         """Set up common variables."""
         cover = tests.util.COVER_JPG.absolute().relative_to("/")