diff --git a/sys/riscv/include/param.h b/sys/riscv/include/param.h
index 46f824b6a41d..70f8ecde971b 100644
--- a/sys/riscv/include/param.h
+++ b/sys/riscv/include/param.h
@@ -42,6 +42,8 @@
 #define	STACKALIGNBYTES	(16 - 1)
 #define	STACKALIGN(p)	((uint64_t)(p) & ~STACKALIGNBYTES)
 
+#define __PCI_REROUTE_INTERRUPT
+
 #ifndef MACHINE
 #define	MACHINE		"riscv"
 #endif