### Are you submitting a **bug report** or a **feature request**? <!-- For support request, please use Stack Overflow instead. This issue tracker is reserved for bugs and features. --> Bug. ### What is the current behavior? <!-- If this is a bug, please include steps to reproduce. --> Missing image on acid test at http://acid.matkelly.com ### What is the expected behavior? All blue squares. ### What's your environment? <!-- Include WAIL and OS affected, etc. --> WAIL 1.2.0-beta, macOS 10.12.5 ### Other information <!-- Include here any detailed explanation, stacktraces, related issues, links for Stack Overflow, Twitter, etc. --> 