diff --git a/pyparsing.spec b/pyparsing.spec
index e9d628b..bc12b87 100644
--- a/pyparsing.spec
+++ b/pyparsing.spec
@@ -59,7 +59,7 @@ The package contains documentation for pyparsing.
 
 
 %prep
-%autosetup -p1
+%autosetup -p1 -n %{name}-%{name}_%{version}
 
 dos2unix -k examples/*