diff --git a/src/mame/video/armedf.c b/src/mame/video/armedf.c
index a4f2c33e868..71561aba2b9 100644
--- a/src/mame/video/armedf.c
+++ b/src/mame/video/armedf.c
@@ -352,5 +352,7 @@ VIDEO_UPDATE( armedf )
 
 VIDEO_EOF( armedf )
 {
-	buffer_spriteram16_w(machine,0,0,0xffff);
+	const address_space *space = cpu_get_address_space(machine->cpu[0], ADDRESS_SPACE_PROGRAM);
+
+	buffer_spriteram16_w(space,0,0,0xffff);
 }
diff --git a/src/mame/video/midzeus.c b/src/mame/video/midzeus.c
index 8b65ba590fd..65fc02cc9f2 100644
--- a/src/mame/video/midzeus.c
+++ b/src/mame/video/midzeus.c
@@ -443,11 +443,11 @@ WRITE32_HANDLER( zeus_w )
 
 	/* 32-bit mode */
 	if (zeusbase[0x80] & 0x00020000)
-		zeus_register32_w(space, offset, data, logit);
+		zeus_register32_w(space->machine, offset, data, logit);
 
 	/* 16-bit mode */
 	else
-		zeus_register16_w(space, offset, data, logit);
+		zeus_register16_w(space->machine, offset, data, logit);
 }
 
 
diff --git a/src/mame/video/midzeus2.c b/src/mame/video/midzeus2.c
index 5ed4d72514d..2cd04238777 100644
--- a/src/mame/video/midzeus2.c
+++ b/src/mame/video/midzeus2.c
@@ -472,7 +472,7 @@ WRITE32_HANDLER( zeus2_w )
 				 offset != 0x50 && offset != 0x51 && offset != 0x57 && offset != 0x58 && offset != 0x59 && offset != 0x5a && offset != 0x5e);
 	if (logit)
 		logerror("%06X:zeus2_w", cpu_get_pc(space->cpu));
-	zeus_register32_w(space, offset, data, logit);
+	zeus_register32_w(space->machine, offset, data, logit);
 }