diff --git a/deno.spec b/deno.spec
index 7b7ebfb..4d92d4f 100644
--- a/deno.spec
+++ b/deno.spec
@@ -98,7 +98,7 @@ Remote code is fetched and cached on first execution, and only
 updated with the --reload flag.
 
 %prep
-%autosetup -a2 -n %{name}
+%autosetup -a2 -p1 -n %{name}
 
 # Extract vendor source
 tar xvf %{SOURCE1}