diff --git a/os-prober.spec b/os-prober.spec
index 1dd8612..67cd0a5 100644
--- a/os-prober.spec
+++ b/os-prober.spec
@@ -20,7 +20,7 @@ in a generic machine-readable format. Support for new OSes and Linux
 distributions can be added easily. 
 
 %prep
-%setup -q
+%setup -q -n %{name}
 %patch0 -p1 -b .newnsdirfix
 find -type f -exec sed -i -e 's|usr/lib|usr/libexec|g' {} \;