diff --git a/udis86.spec b/udis86.spec
index 9388c72..4ccf382 100644
--- a/udis86.spec
+++ b/udis86.spec
@@ -24,7 +24,7 @@ Summary:        Disassembler Library for x86 and x86-64
 
 
 %prep
-%autosetup -p1
+%autosetup -n udis86-%{udis86_shortcommit}
 
 
 %build