diff --git a/python-jsonschema.spec b/python-jsonschema.spec
index 302b7b2..23780eb 100644
--- a/python-jsonschema.spec
+++ b/python-jsonschema.spec
@@ -55,7 +55,7 @@ in an enumeration.
 
 %prep
 %setup -q -n %{oname}-%{version}
-cat "%{version}" > version.txt
+echo "%{version}" > version.txt
 
 %build
 #python setup.py build