diff --git a/jpegut.c b/jpegut.c
index 7eb484ea..055e52c5 100644
--- a/jpegut.c
+++ b/jpegut.c
@@ -631,8 +631,12 @@ int main(int argc, char *argv[])
 		yuv=YUVDECODE;
 		dotest(48, 48, 3, TJ_444, "test");
 		dotest(35, 39, 3, TJ_444, "test");
+		dotest(48, 48, 3, TJ_422, "test");
+		dotest(39, 41, 3, TJ_422, "test");
+		dotest(48, 48, 3, TJ_420, "test");
+		dotest(41, 35, 3, TJ_420, "test");
 		dotest(48, 48, 1, TJ_GRAYSCALE, "test");
-		dotest(39, 41, 1, TJ_GRAYSCALE, "test");
+		dotest(35, 39, 1, TJ_GRAYSCALE, "test");
 	}
 
 	return exitstatus;