diff --git a/python-pybeam.spec b/python-pybeam.spec
index ea7394d..1840b1b 100644
--- a/python-pybeam.spec
+++ b/python-pybeam.spec
@@ -64,7 +64,7 @@ chunks in pretty python format.
 %setup -q -n pybeam-%{version}
 %patch0 -p1
 # do not block the new python-construct
-sed -i -e ',<2.10' setup.py
+sed -i -e 's:,<2.10::' setup.py
 
 %build
 %if %{without test}