diff --git a/src/chipset/sis_85c50x.c b/src/chipset/sis_85c50x.c
index ebd166d60..ebb895db7 100644
--- a/src/chipset/sis_85c50x.c
+++ b/src/chipset/sis_85c50x.c
@@ -30,6 +30,7 @@
 
 #include <86box/apm.h>
 #include <86box/machine.h>
+#include <86box/pic.h>
 #include <86box/mem.h>
 #include <86box/smram.h>
 #include <86box/pci.h>