diff --git a/buildout/tests/assertSoftware.py b/buildout/tests/assertSoftware.py
index 4b3f5e0e79122ad7e3c6501c8cd43145bbb97b9f..7cf0773eaa5072002fd14a780b7646db505de475 100644
--- a/buildout/tests/assertSoftware.py
+++ b/buildout/tests/assertSoftware.py
@@ -1626,7 +1626,7 @@ class AssertImagemagick(AssertSoftwareMixin):
       'jasper',
       'jbigkit',
       'libjpeg',
-      'libpng12',
+      'libpng',
       'libtiff',
       'openexr',
       'zlib',