diff --git a/gcovr.cfg b/gcovr.cfg
index 21386e0..a150e72 100644
--- a/gcovr.cfg
+++ b/gcovr.cfg
@@ -1,5 +1,7 @@
 exclude = src/dbus
 exclude = subprojects/
+# exclude in-tree copy of Gtk list models
+exclude = src/gtklistmodels
 # exclude calls-dummy-provider.c and calls-sip-provider.c as
 # gcovr currently can't handle having the same function name twice on different lines:
 # #ifdef FOR_TESTING switches between G_DEFINE_TYPE and a G_DEFINE_DYNAMIC_TYPE