diff --git a/parts/scenes/play.lua b/parts/scenes/play.lua
index 8afb1bf5..58b3c652 100644
--- a/parts/scenes/play.lua
+++ b/parts/scenes/play.lua
@@ -10,10 +10,10 @@ local VK=virtualkey
 local function onVirtualkey(x,y)
 	local dist,nearest=1e10
 	for K=1,#VK do
-		local b=VK[K]
-		if b.ava then
-			local d1=(x-b.x)^2+(y-b.y)^2
-			if d1<b.r^2 then
+		local B=VK[K]
+		if B.ava then
+			local d1=(x-B.x)^2+(y-B.y)^2
+			if d1<B.r^2 then
 				if d1<dist then
 					nearest,dist=K,d1
 				end
diff --git a/parts/scenes/setting_touch.lua b/parts/scenes/setting_touch.lua
index 71d90848..33866d99 100644
--- a/parts/scenes/setting_touch.lua
+++ b/parts/scenes/setting_touch.lua
@@ -22,10 +22,10 @@ end
 local function onVK_org(x,y)
 	local dist,nearest=1e10
 	for K=1,#VK_org do
-		local b=VK_org[K]
-		if b.ava then
-			local d1=(x-b.x)^2+(y-b.y)^2
-			if d1<b.r^2 then
+		local B=VK_org[K]
+		if B.ava then
+			local d1=(x-B.x)^2+(y-B.y)^2
+			if d1<B.r^2 then
 				if d1<dist then
 					nearest,dist=K,d1
 				end