diff --git a/coverage.rc b/coverage.rc
new file mode 100644
index 0000000..8637bb7
--- /dev/null
+++ b/coverage.rc
@@ -0,0 +1,6 @@
+[run]
+source = three_d_viewer
+branch = True
+omit =
+    three_d_viewer/admin.py
+    three_d_viewer/tests.py