diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index bd488cd7f9..c394635ada 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -532,7 +532,7 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp)
         s->status = dummy;
     }
 
-    isa_register_portio_list(isadev, &s->portio_list, base,
+    isa_register_portio_list(isadev, &isa->portio_list, base,
                              (s->hw_driver
                               ? &isa_parallel_portio_hw_list[0]
                               : &isa_parallel_portio_sw_list[0]),
diff --git a/include/hw/char/parallel-isa.h b/include/hw/char/parallel-isa.h
index d24ccecf05..3b783bd08d 100644
--- a/include/hw/char/parallel-isa.h
+++ b/include/hw/char/parallel-isa.h
@@ -12,6 +12,7 @@
 
 #include "parallel.h"
 
+#include "exec/ioport.h"
 #include "hw/isa/isa.h"
 #include "qom/object.h"
 
@@ -25,6 +26,7 @@ struct ISAParallelState {
     uint32_t iobase;
     uint32_t isairq;
     ParallelState state;
+    PortioList portio_list;
 };
 
 #endif /* HW_PARALLEL_ISA_H */
diff --git a/include/hw/char/parallel.h b/include/hw/char/parallel.h
index 7b5a309a03..cfb97cc7cc 100644
--- a/include/hw/char/parallel.h
+++ b/include/hw/char/parallel.h
@@ -1,7 +1,6 @@
 #ifndef HW_PARALLEL_H
 #define HW_PARALLEL_H
 
-#include "exec/ioport.h"
 #include "exec/memory.h"
 #include "hw/isa/isa.h"
 #include "hw/irq.h"
@@ -22,7 +21,6 @@ typedef struct ParallelState {
     uint32_t last_read_offset; /* For debugging */
     /* Memory-mapped interface */
     int it_shift;
-    PortioList portio_list;
 } ParallelState;
 
 void parallel_hds_isa_init(ISABus *bus, int n);