diff --git a/ocl/build_kernel.c b/ocl/build_kernel.c
index dfa8b99f..73527bf1 100644
--- a/ocl/build_kernel.c
+++ b/ocl/build_kernel.c
@@ -49,7 +49,7 @@ static char *file_contents(const char *filename, int *length)
 void set_base_compiler_options(build_kernel_data *data)
 {
   char buf[255];
-  sprintf(data->compiler_options, "-I \"%s\" -I \"%s\\kernel\" -I \".\" -D WORKSIZE=%d",
+  sprintf(data->compiler_options, "-I \"%s\" -I \"%s/kernel\" -I \".\" -D WORKSIZE=%d",
       data->sgminer_path, data->sgminer_path, (int)data->work_size);
   applog(LOG_DEBUG, "Setting worksize to %d", (int)(data->work_size));