diff --git a/src/modules/module-profiler.c b/src/modules/module-profiler.c
index a994d1ff0..490e031af 100644
--- a/src/modules/module-profiler.c
+++ b/src/modules/module-profiler.c
@@ -269,7 +269,7 @@ done:
 	n->count++;
 }
 
-static struct pw_impl_node_rt_events node_rt_events = {
+static const struct pw_impl_node_rt_events node_rt_events = {
 	PW_VERSION_IMPL_NODE_RT_EVENTS,
 	.complete = context_do_profile,
 	.incomplete = context_do_profile,