diff --git a/apache-commons-collections.spec b/apache-commons-collections.spec
index b6a2a52..e459bfa 100644
--- a/apache-commons-collections.spec
+++ b/apache-commons-collections.spec
@@ -53,7 +53,7 @@ Summary:        Javadoc for %{name}
 %{summary}.
 
 %prep
-%autosetup -p1 -n commons-collections-%{version}-src
+%autosetup -p1 -C
 
 # remove all binary libs
 find . -name "*.jar" -exec rm -f {} \;