diff --git a/cmds/idmap2/Android.bp b/cmds/idmap2/Android.bp
index 7a08cbd..5f06c97 100644
--- a/cmds/idmap2/Android.bp
+++ b/cmds/idmap2/Android.bp
@@ -71,6 +71,7 @@
     host_supported: true,
     srcs: [
         "libidmap2/**/*.cpp",
+        "self_targeting/*.cpp",
     ],
     export_include_dirs: ["include"],
     target: {