diff --git a/tests/decode_images.rs b/tests/decode_images.rs
index 7945d5b..bd09607 100644
--- a/tests/decode_images.rs
+++ b/tests/decode_images.rs
@@ -47,6 +47,11 @@ fn test_image_color_type_unsupported(file: &str, expected_type: ColorType) {
     });
 }
 
+#[test]
+fn test_cmyk_u8() {
+    test_image_sum_u8("cmyk-3c-8b.tiff", ColorType::CMYK(8), 8522658);
+}
+
 #[test]
 fn test_gray_u8() {
     test_image_sum_u8("minisblack-1c-8b.tiff", ColorType::Gray(8), 2840893);
diff --git a/tests/images/cmyk-3c-8b.tiff b/tests/images/cmyk-3c-8b.tiff
new file mode 100644
index 0000000..d906bbc
Binary files /dev/null and b/tests/images/cmyk-3c-8b.tiff differ