diff --git a/include/trace/irq_event_types.h b/include/trace/irq_event_types.h
index 5d0919fdd2d45c5224a8e5845d043b83cf22ffa1..47a2be1b2d7d73f06d5f70698fd21070e363ac5d 100644
--- a/include/trace/irq_event_types.h
+++ b/include/trace/irq_event_types.h
@@ -5,6 +5,9 @@
 # error Unless you know what you are doing.
 #endif
 
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM irq
+
 TRACE_FORMAT(irq_handler_entry,
 	TPPROTO(int irq, struct irqaction *action),
 	TPARGS(irq, action),
@@ -15,3 +18,5 @@ TRACE_FORMAT(irq_handler_exit,
 	TPARGS(irq, action, ret),
 	TPFMT("irq=%d handler=%s return=%s",
 		irq, action->name, ret ? "handled" : "unhandled"));
+
+#undef TRACE_SYSTEM