diff --git a/rust/prebuilt.go b/rust/prebuilt.go
index 49f3c0f..6099eec 100644
--- a/rust/prebuilt.go
+++ b/rust/prebuilt.go
@@ -100,6 +100,7 @@
 	if len(paths) > 0 {
 		ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
 	}
+	prebuilt.baseCompiler.unstrippedOutputFile = srcPath
 	return srcPath
 }