diff --git a/.gitignore b/.gitignore
index d544ae4a..022119d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,9 +51,6 @@ src/rom.c
 src/x86/glue.S
 src/arm/glue.S
 
-# sub{tree,module}
-src/rom
-
 # generated binaries
 /apple2ix
 genfont
diff --git a/src/external-rom b/src/external-rom
new file mode 120000
index 00000000..7830c048
--- /dev/null
+++ b/src/external-rom
@@ -0,0 +1 @@
+../../apple2-rom
\ No newline at end of file
diff --git a/src/rom b/src/rom
new file mode 120000
index 00000000..da0112b3
--- /dev/null
+++ b/src/rom
@@ -0,0 +1 @@
+external-rom
\ No newline at end of file