diff --git a/src/modules/_Image_PNG/testsuite.in b/src/modules/_Image_PNG/testsuite.in
index 235283e0f89ff182723343e17ea0bfc12e002240..96b9787025b94343d9b5ef1e8f53b9660bf5092b 100644
--- a/src/modules/_Image_PNG/testsuite.in
+++ b/src/modules/_Image_PNG/testsuite.in
@@ -1,3 +1,3 @@
-cond([[ master()->resolv("_Image_JPEG")->encode ]],
+cond([[ master()->resolv("_Image_PNG")->encode ]],
 [[
 ]])