diff --git a/PerlMagick/t/read.t b/PerlMagick/t/read.t
index 421e00b..3c78577 100644
--- a/PerlMagick/t/read.t
+++ b/PerlMagick/t/read.t
@@ -198,25 +198,25 @@
print("CMYK format ...\n");
++$test;
-testReadCompare('input_70x46.cmyk', 'reference/read/input_cmyk.miff',
+testReadCompare('cmyk:input_70x46.cmyk', 'reference/read/input_cmyk.miff',
q/size=>"70x46", depth=>8/, 0.0, 0.0);
print("GRAY format ...\n");
++$test;
-testReadCompare('input_70x46.gray', 'reference/read/input_gray.miff',
+testReadCompare('gray:input_70x46.gray', 'reference/read/input_gray.miff',
q/size=>"70x46", depth=>8/, 0.0, 0.0);
print("RGB format ...\n");
++$test;
-testReadCompare('input_70x46.rgb', 'reference/read/input_rgb.miff',
+testReadCompare('rgb:input_70x46.rgb', 'reference/read/input_rgb.miff',
q/size=>"70x46", depth=>8/, 0.0, 0.0);
print("RGBA format ...\n");
++$test;
-testReadCompare('input_70x46.rgba', 'reference/read/input_rgba.miff',
+testReadCompare('rgba:input_70x46.rgba', 'reference/read/input_rgba.miff',
q/size=>"70x46", depth=>8/, 0.0, 0.0);
print("UYVY format ...\n");
++$test;
-testReadCompare('input_70x46.uyvy', 'reference/read/input_uyvy.miff',
+testReadCompare('uyvy:input_70x46.uyvy', 'reference/read/input_uyvy.miff',
q/size=>"70x46", depth=>8/, 0.2, 1.02);