diff --git a/src/device/isartc.c b/src/device/isartc.c
index 63ce0b065..5d6b4aea4 100644
--- a/src/device/isartc.c
+++ b/src/device/isartc.c
@@ -862,7 +862,7 @@ static const device_config_t mm58167_config[] = {
 static const device_t mm58167_device = {
     .name          = "Generic MM58167 RTC",
     .internal_name = "rtc_mm58167",
-    .flags         = DEVICE_ISA,
+    .flags         = DEVICE_ISA | DEVICE_SIDECAR,
     .local         = ISARTC_MM58167,
     .init          = isartc_init,
     .close         = isartc_close,
diff --git a/src/device/mouse_bus.c b/src/device/mouse_bus.c
index 7074a71ac..c81bc6aba 100644
--- a/src/device/mouse_bus.c
+++ b/src/device/mouse_bus.c
@@ -815,7 +815,7 @@ static const device_config_t ms_config[] = {
 const device_t mouse_logibus_device = {
     .name          = "Logitech/Microsoft Bus Mouse",
     .internal_name = "logibus",
-    .flags         = DEVICE_ISA,
+    .flags         = DEVICE_ISA | DEVICE_SIDECAR,
     .local         = MOUSE_TYPE_LOGIBUS,
     .init          = bm_init,
     .close         = bm_close,
@@ -843,7 +843,7 @@ const device_t mouse_logibus_onboard_device = {
 const device_t mouse_msinport_device = {
     .name          = "Microsoft Bus Mouse (InPort)",
     .internal_name = "msbus",
-    .flags         = DEVICE_ISA,
+    .flags         = DEVICE_ISA | DEVICE_SIDECAR,
     .local         = MOUSE_TYPE_INPORT,
     .init          = bm_init,
     .close         = bm_close,
diff --git a/src/scsi/scsi_ncr53c400.c b/src/scsi/scsi_ncr53c400.c
index 10934880f..c83e75442 100644
--- a/src/scsi/scsi_ncr53c400.c
+++ b/src/scsi/scsi_ncr53c400.c
@@ -1024,7 +1024,7 @@ const device_t scsi_t130b_device = {
 const device_t scsi_ls2000_device = {
     .name          = "Corel LS2000",
     .internal_name = "ls2000",
-    .flags         = DEVICE_ISA,
+    .flags         = DEVICE_ISA | DEVICE_SIDECAR,
     .local         = ROM_LS2000,
     .init          = ncr53c400_init,
     .close         = ncr53c400_close,
diff --git a/src/sound/snd_adlib.c b/src/sound/snd_adlib.c
index 1f307596c..17990e842 100644
--- a/src/sound/snd_adlib.c
+++ b/src/sound/snd_adlib.c
@@ -145,7 +145,7 @@ adlib_close(void *priv)
 const device_t adlib_device = {
     .name          = "AdLib",
     .internal_name = "adlib",
-    .flags         = DEVICE_ISA,
+    .flags         = DEVICE_ISA | DEVICE_SIDECAR,
     .local         = 0,
     .init          = adlib_init,
     .close         = adlib_close,