diff --git a/jsr-311.spec b/jsr-311.spec
index 52ae15c..42df283 100644
--- a/jsr-311.spec
+++ b/jsr-311.spec
@@ -23,7 +23,7 @@ Summary:       Javadoc for jsr-311
 This package contains a java manual for introducing jsr-311.
 
 %prep
-%autosetup -p1
+%autosetup -n jsr311-jsr311-api-%{version} -p1
 
 %pom_remove_plugin :buildnumber-maven-plugin
 %pom_remove_plugin :maven-javadoc-plugin