diff --git a/crater.c b/crater.c
index b4138df..5f80ec2 100644
--- a/crater.c
+++ b/crater.c
@@ -42,7 +42,7 @@ int main(int argc, char *argv[])
             retval = EXIT_FAILURE;
         } else {
             printf("crater: emulating: %s\n", rom.name);
-            emulate(&rom, config->fullscreen, config->scale);
+            emulate(&rom, config);
             rom_close(&rom);
         }
     }
diff --git a/src/emulator.c b/src/emulator.c
index 1347f1f..66a9336 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -130,11 +130,11 @@ static void cleanup_graphics()
 
     Block until emulation is finished.
 */
-void emulate(ROM *rom, bool fullscreen, unsigned scale)
+void emulate(ROM *rom, Config *config)
 {
     emu.gg = gamegear_create();
     signal(SIGINT, handle_sigint);
-    setup_graphics(fullscreen, scale);
+    setup_graphics(config->fullscreen, config->scale);
 
     gamegear_attach_callback(emu.gg, frame_callback);
     gamegear_attach_display(emu.gg, emu.pixels);
diff --git a/src/emulator.h b/src/emulator.h
index d4b52b6..7d25244 100644
--- a/src/emulator.h
+++ b/src/emulator.h
@@ -5,8 +5,9 @@
 
 #include <stdbool.h>
 
+#include "config.h"
 #include "rom.h"
 
 /* Functions */
 
-void emulate(ROM*, bool, unsigned);
+void emulate(ROM*, Config*);