diff -Naur DungeonRush-1.1-beta/src/main.c DungeonRush-1.1-beta.serenity/src/main.c
--- DungeonRush-1.1-beta/src/main.c	2020-11-21 14:22:39.000000000 +0100
+++ DungeonRush-1.1-beta.serenity/src/main.c	2021-06-16 11:02:22.409585466 +0200
@@ -12,6 +12,8 @@
 #endif
 
 int main(int argc, char** args) {
+  // The game tries to open its resource files using relative paths
+  chdir("/opt/DungeonRush");
   prngSrand(time(NULL));
   // Start up SDL and create window
   if (!init()) {