diff --git a/contrib/testpngs/crashers/bad_iCCP.png b/contrib/testpngs/crashers/bad_iCCP.png
new file mode 100644
index 000000000..0b7b86379
Binary files /dev/null and b/contrib/testpngs/crashers/bad_iCCP.png differ
diff --git a/contrib/testpngs/crashers/huge_idat.png b/contrib/testpngs/crashers/huge_IDAT.png
similarity index 100%
rename from contrib/testpngs/crashers/huge_idat.png
rename to contrib/testpngs/crashers/huge_IDAT.png
diff --git a/tests/pngtest-badpngs b/tests/pngtest-badpngs
index 649682419..9d9ee2425 100755
--- a/tests/pngtest-badpngs
+++ b/tests/pngtest-badpngs
@@ -5,7 +5,7 @@
 
 ./pngtest --relaxed ${srcdir}/contrib/testpngs/crashers/badcrc.png
 ./pngtest --relaxed ${srcdir}/contrib/testpngs/crashers/badadler.png
-./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/bad_iccp.png
+./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/bad_iCCP.png
 ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/empty_ancillary_chunks.png
 
-exec ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/huge_idat.png
+exec ./pngtest --xfail ${srcdir}/contrib/testpngs/crashers/huge_IDAT.png