diff --git a/src/modules/module-netjack2-driver.c b/src/modules/module-netjack2-driver.c
index d8d1c57bb..c67ccd660 100644
--- a/src/modules/module-netjack2-driver.c
+++ b/src/modules/module-netjack2-driver.c
@@ -274,7 +274,7 @@ static void stream_state_changed(void *d, enum pw_filter_state old,
 	struct impl *impl = s->impl;
 	switch (state) {
 	case PW_FILTER_STATE_ERROR:
-		pw_log_warn("stream %s: error: %s", s, error);
+		pw_log_warn("stream %p: error: %s", s, error);
 		break;
 	case PW_FILTER_STATE_UNCONNECTED:
 		pw_impl_module_schedule_destroy(impl->module);
diff --git a/src/modules/module-netjack2-manager.c b/src/modules/module-netjack2-manager.c
index 2f06a4df2..f9883069a 100644
--- a/src/modules/module-netjack2-manager.c
+++ b/src/modules/module-netjack2-manager.c
@@ -297,7 +297,7 @@ static void stream_state_changed(void *d, enum pw_filter_state old,
 	struct impl *impl = s->impl;
 	switch (state) {
 	case PW_FILTER_STATE_ERROR:
-		pw_log_warn("stream %s: error: %s", s, error);
+		pw_log_warn("stream %p: error: %s", s, error);
 		break;
 	case PW_FILTER_STATE_UNCONNECTED:
 		pw_impl_module_schedule_destroy(impl->module);