diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt
--- a/contrib/CMakeLists.txt
+++ b/contrib/CMakeLists.txt
@@ -8,6 +8,7 @@
 include(PackageHelper)
 exclude_from_source_package(
 	# Subdirectories
+	"aur/"
 	"debian/"
 	"gitian/"
 	"gitian-builder/"