Index: main.c
--- main.c.orig
+++ main.c
@@ -639,7 +639,7 @@ int Init_program(int argc,char * argv[])
   Init_list_of_pages(Spare.backups);
 
   // Determine the executable directory
-  program_directory = Get_program_directory(argv[0]);
+  program_directory = Get_program_directory("${PREFIX}/bin/grafx2");
   // Choose directory for data (read only)
   Data_directory = Get_data_directory(program_directory);
   // Choose directory for settings (read/write)
