diff --git a/mkfile b/mkfile
index e614173..6581927 100644
--- a/mkfile
+++ b/mkfile
@@ -7,6 +7,7 @@ CFLAGS=$CFLAGS -D__plan9__ -I/sys/include/npe -I/sys/include/npe/SDL2
 HFILES=\
 	/sys/include/npe/stdio.h\
 	src/devices/apu.h\
+	src/devices/file.h\
 	src/devices/ppu.h\
 	src/uxn.h\
 
@@ -28,19 +29,19 @@ bin:
 %.rom:Q: %.tal bin/uxnasm
 	bin/uxnasm $stem.tal $target >/dev/null
 
-bin/uxncli: uxncli.$O uxn.$O
+bin/uxncli: file.$O uxncli.$O uxn.$O
 	$LD $LDFLAGS -o $target $prereq
 
 bin/uxnasm: uxnasm.$O
 	$LD $LDFLAGS -o $target $prereq
 
-bin/uxnemu: uxnemu.$O apu.$O ppu.$O uxn.$O
+bin/uxnemu: uxnemu.$O apu.$O file.$O ppu.$O uxn.$O
 	$LD $LDFLAGS -o $target $prereq
 
 (uxnasm|uxncli|uxnemu|uxn)\.$O:R: src/\1.c
 	$CC $CFLAGS -Isrc -o $target src/$stem1.c
 
-(apu|ppu)\.$O:R: src/devices/\1.c
+(apu|file|ppu)\.$O:R: src/devices/\1.c
 	$CC $CFLAGS -Isrc -o $target src/devices/$stem1.c
 
 nuke:V: clean
diff --git a/src/devices/file.h b/src/devices/file.h
index ce45c1c..846398b 100644
--- a/src/devices/file.h
+++ b/src/devices/file.h
@@ -14,4 +14,4 @@ void file_prepare(void *filename);
 Uint16 file_read(void *dest, Uint16 len);
 Uint16 file_write(void *src, Uint16 len, Uint8 flags);
 Uint16 file_stat(void *dest, Uint16 len);
-Uint16 file_delete();
+Uint16 file_delete(void);