diff --git a/api.lua b/api.lua
index d6a2cfd..4458ba4 100644
--- a/api.lua
+++ b/api.lua
@@ -2,13 +2,15 @@
 -- Returns a list of areas that include the provided position
 function areas:getAreasAtPos(pos)
 	local a = {}
-	local px, py, pz = pos.x, pos.y, pos.z
-	for id, area in pairs(self.areas) do
-		local ap1, ap2 = area.pos1, area.pos2
-		if px >= ap1.x and px <= ap2.x and
-		   py >= ap1.y and py <= ap2.y and
-		   pz >= ap1.z and pz <= ap2.z then
-			a[id] = area
+	if pos then
+		local px, py, pz = pos.x, pos.y, pos.z
+		for id, area in pairs(self.areas) do
+			local ap1, ap2 = area.pos1, area.pos2
+			if px >= ap1.x and px <= ap2.x and
+					py >= ap1.y and py <= ap2.y and
+					pz >= ap1.z and pz <= ap2.z then
+				a[id] = area
+			end
 		end
 	end
 	return a