diff --git a/build-linux b/build-linux
index 9cc2457..94eaf74 100755
--- a/build-linux
+++ b/build-linux
@@ -104,7 +104,7 @@ Configure the kernel, but don't build it.
                 '-O', build_dir, common.Newline,
                 os.path.join(build_dir, '.config'), common.Newline,
             ] +
-            config_fragments
+            common.add_newlines(config_fragments)
         )
         common.run_cmd(
             (