diff --git a/python-nbdime.spec b/python-nbdime.spec
index d39816a..9fab1f7 100644
--- a/python-nbdime.spec
+++ b/python-nbdime.spec
@@ -84,7 +84,7 @@ Jupyter Notebooks.
 
 This package provides the tools and jupyter notebook extension.
 
-%package     -n python3-jupyter_nbdime_jupyterlab
+%package     -n jupyter-nbdime-jupyterlab
 Version:        %{labver}
 Summary:        A JupyterLab extension for showing Notebook diffs
 Requires:       jupyter-jupyterlab