diff --git a/python-cartopy.spec b/python-cartopy.spec
index 5635b91..ba2106f 100644
--- a/python-cartopy.spec
+++ b/python-cartopy.spec
@@ -1,6 +1,9 @@
 %global srcname cartopy
 %global Srcname Cartopy
 
+# Some tests use the network.
+%bcond_with network
+
 Name:           python-%{srcname}
 Version:        0.17.0
 Release:        4%{?dist}
@@ -113,8 +116,13 @@ done
 
 
 %check
+%if %{with network}
+PYTHONPATH="%{buildroot}%{python3_sitearch}" PYTHONDONTWRITEBYTECODE=1 MPLBACKEND=Agg \
+    pytest-3 --doctest-modules --pyargs cartopy
+%else
 PYTHONPATH="%{buildroot}%{python3_sitearch}" PYTHONDONTWRITEBYTECODE=1 MPLBACKEND=Agg \
     pytest-3 --doctest-modules --pyargs cartopy -m "not network"
+%endif
 
 
 %files -n python-%{srcname}-common