diff --git a/dev/containers/f29-rpms-py3 b/dev/containers/f29-rpms-py3
index cae0437..f3d3ae7 100644
--- a/dev/containers/f29-rpms-py3
+++ b/dev/containers/f29-rpms-py3
@@ -21,7 +21,7 @@ RUN dnf -y install \
 RUN cd / \
     && git clone -b $BRANCH $REPO \
     && chmod +x /pagure/dev/containers/runtests_py3.sh \
-    && sed -i -e "s|\['alembic',|\['alembic-3',|" /pagure/tests/test_alembic.py
+    && sed -i -e 's|\["alembic",|\["alembic-3",|' /pagure/tests/test_alembic.py
 
 # Install all the requirements from the spec file and replace the macro
 # %{python_pkgversion} by '3' which thus installs all the py3 version of