--- ocltoys/juliagpu/juliagpu.cpp.orig	2017-09-28 21:38:38.543309588 +0000
+++ ocltoys/juliagpu/juliagpu.cpp	2017-09-28 21:39:37.683308883 +0000
@@ -80,7 +80,7 @@
 		boost::program_options::options_description opts("JuliaGPU options");
 
 		opts.add_options()
-			("kernel,k", boost::program_options::value<std::string>()->default_value("preprocessed_rendering_kernel.cl"),
+			("kernel,k", boost::program_options::value<std::string>()->default_value("/usr/local/share/ocltoys/juliagpu/preprocessed_rendering_kernel.cl"),
 				"OpenCL kernel file name")
 			("workgroupsize,z", boost::program_options::value<size_t>(), "OpenCL workgroup size");