diff --git a/tools/aapt/Android.bp b/tools/aapt/Android.bp
index cc10db9..cecd95a 100644
--- a/tools/aapt/Android.bp
+++ b/tools/aapt/Android.bp
@@ -97,6 +97,7 @@
         "ResourceTable.cpp",
         "SourcePos.cpp",
         "StringPool.cpp",
+        "Utils.cpp",
         "WorkQueue.cpp",
         "XMLNode.cpp",
         "ZipEntry.cpp",