diff --git a/src/system/boot/platform/atari_m68k/video.cpp b/src/system/boot/platform/atari_m68k/video.cpp
index 073f492db2..1a99acafeb 100644
--- a/src/system/boot/platform/atari_m68k/video.cpp
+++ b/src/system/boot/platform/atari_m68k/video.cpp
@@ -1023,10 +1023,10 @@ video_mode_hook(Menu *menu, MenuItem *item)
 	// find selected mode
 	video_mode *mode = NULL;
 
-	menu = item->Submenu();
-	item = menu->FindMarked();
-	if (item != NULL) {
-		switch (menu->IndexOf(item)) {
+	Menu* submenu = item->Submenu();
+	MenuItem* subitem = submenu->FindMarked();
+	if (subitem != NULL) {
+		switch (submenu->IndexOf(subitem)) {
 			case 0:
 				// "Default" mode special
 				sMode = sDefaultMode;
@@ -1037,7 +1037,7 @@ video_mode_hook(Menu *menu, MenuItem *item)
 				// sets sMode to NULL which triggers VGA mode
 				//break;
 			default:
-				mode = (video_mode *)item->Data();
+				mode = (video_mode *)subitem->Data();
 				break;
 		}
 	}
diff --git a/src/system/boot/platform/bios_ia32/video.cpp b/src/system/boot/platform/bios_ia32/video.cpp
index 220db2d5a3..9e5573bb98 100644
--- a/src/system/boot/platform/bios_ia32/video.cpp
+++ b/src/system/boot/platform/bios_ia32/video.cpp
@@ -645,10 +645,10 @@ video_mode_hook(Menu *menu, MenuItem *item)
 	// find selected mode
 	video_mode *mode = NULL;
 
-	menu = item->Submenu();
-	item = menu->FindMarked();
-	if (item != NULL) {
-		switch (menu->IndexOf(item)) {
+	Menu* submenu = item->Submenu();
+	MenuItem* subitem = submenu->FindMarked();
+	if (subitem != NULL) {
+		switch (submenu->IndexOf(subitem)) {
 			case 0:
 				// "Default" mode special
 				sMode = sDefaultMode;
@@ -659,7 +659,7 @@ video_mode_hook(Menu *menu, MenuItem *item)
 				// sets sMode to NULL which triggers VGA mode
 				break;
 			default:
-				mode = (video_mode *)item->Data();
+				mode = (video_mode *)subitem->Data();
 				break;
 		}
 	}
diff --git a/src/system/boot/platform/efi/video.cpp b/src/system/boot/platform/efi/video.cpp
index bc7e35e6a5..bd97ad973a 100644
--- a/src/system/boot/platform/efi/video.cpp
+++ b/src/system/boot/platform/efi/video.cpp
@@ -261,10 +261,10 @@ platform_switch_to_logo(void)
 bool
 video_mode_hook(Menu *menu, MenuItem *item)
 {
-	menu = item->Submenu();
-	item = menu->FindMarked();
-	if (item != NULL) {
-		sGraphicsMode = (UINTN)item->Data();
+	Menu* submenu = item->Submenu();
+	MenuItem* subitem = submenu->FindMarked();
+	if (subitem != NULL) {
+		sGraphicsMode = (UINTN)subitem->Data();
 		sModeChosen = true;
 	}