diff --git a/opus.spec b/opus.spec
index e10b149..433273f 100644
--- a/opus.spec
+++ b/opus.spec
@@ -27,7 +27,7 @@ Requires: opus = %{version}-%{release}
 Files for development with opus.
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{version}-beta
 cp %{SOURCE1} .
 
 %build