diff --git a/src/python/magnum/test/.gitattributes b/src/python/magnum/test/.gitattributes
new file mode 100644
index 0000000..0f7c109
--- /dev/null
+++ b/src/python/magnum/test/.gitattributes
@@ -0,0 +1,11 @@
+# You have to add the following to your .git/config or global
+# ~/.gitconfig to make the binary diffs work (without the comment
+# character, of course):
+#
+# [diff "hex"]
+#     textconv = hexdump -v -C
+#     binary = true
+#
+
+*.glb binary diff=hex
+*.bin binary diff=hex
diff --git a/src/python/magnum/test/mesh.bin b/src/python/magnum/test/mesh.bin
index d25c1a9..3ec6b0c 100644
Binary files a/src/python/magnum/test/mesh.bin and b/src/python/magnum/test/mesh.bin differ