diff --git a/Tests/test_file_gif.py b/Tests/test_file_gif.py
index 9267fb567..2b577b36f 100644
--- a/Tests/test_file_gif.py
+++ b/Tests/test_file_gif.py
@@ -338,14 +338,13 @@ def test_dispose_background():
 
 
 def test_transparent_dispose():
-    img = Image.open("Tests/images/transparent_dispose.gif")
-
     expected_colors = [(2, 1, 2), (0, 1, 0), (2, 1, 2)]
-    for frame in range(3):
-        img.seek(frame)
-        for x in range(3):
-            color = img.getpixel((x, 0))
-            assert color == expected_colors[frame][x]
+    with Image.open("Tests/images/transparent_dispose.gif") as img:
+        for frame in range(3):
+            img.seek(frame)
+            for x in range(3):
+                color = img.getpixel((x, 0))
+                assert color == expected_colors[frame][x]
 
 
 def test_dispose_previous():