diff --git a/src/qemu/qemu_agent.c b/src/qemu/qemu_agent.c
index 9a74b802b8..8b880d0d15 100644
--- a/src/qemu/qemu_agent.c
+++ b/src/qemu/qemu_agent.c
@@ -533,7 +533,7 @@ qemuAgentUnregister(qemuAgentPtr agent)
 {
     if (agent->watch) {
         g_source_destroy(agent->watch);
-        g_source_unref(agent->watch);
+        g_vir_source_unref_safe(agent->watch);
         agent->watch = NULL;
     }
 }
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 73f337a6be..b4f2641504 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -862,7 +862,7 @@ qemuMonitorUnregister(qemuMonitorPtr mon)
 {
     if (mon->watch) {
         g_source_destroy(mon->watch);
-        g_source_unref(mon->watch);
+        g_vir_source_unref_safe(mon->watch);
         mon->watch = NULL;
     }
 }