diff --git a/src/brulijam/shapebuilder.lua b/src/brulijam/shapebuilder.lua
index 0854d36..44f3ab9 100644
--- a/src/brulijam/shapebuilder.lua
+++ b/src/brulijam/shapebuilder.lua
@@ -40,34 +40,36 @@ local lines = lines_from(file)
 
 for k,v in pairs(lines) do
   sleep(1)
-  if string.match(v, "green") then
-    --print(k .. ": yay")
-    -- lines containing "green"
-    xStart = string.find(v, "x=\"")
-    xEnd = string.find(v, "\" y=")
-    yStart = string.find(v, "y=\"")
-    yEnd = string.find(v, "\" st")
+  if string.match(v, "rect") then
+    if string.match(v, "green") then
+      --print(k .. ": yay")
+      -- lines containing "green"
+      xStart = string.find(v, "x=\"")
+      xEnd = string.find(v, "\" y=")
+      yStart = string.find(v, "y=\"")
+      yEnd = string.find(v, "\" st")
 
-    xStr = string.sub(v, xStart+3, xEnd-1)
-    yStr = string.sub(v, yStart+3, yEnd-1)
+      xStr = string.sub(v, xStart+3, xEnd-1)
+      yStr = string.sub(v, yStart+3, yEnd-1)
 
-    x = tonumber(xStr) / steps
-    y = tonumber(yStr) / steps
+      x = tonumber(xStr) / steps
+      y = tonumber(yStr) / steps
 
-    print(x .. " " .. y .. " g")
-  else
-    xStart = string.find(v, "x=\"")
-    xEnd = string.find(v, "\" y=")
-    yStart = string.find(v, "y=\"")
-    yEnd = string.find(v, "\" st")
+      print(x .. " " .. y .. " g")
+    else
+      xStart = string.find(v, "x=\"")
+      xEnd = string.find(v, "\" y=")
+      yStart = string.find(v, "y=\"")
+      yEnd = string.find(v, "\" st")
 
-    xStr = string.sub(v, xStart+3, xEnd-1)
-    yStr = string.sub(v, yStart+3, yEnd-1)
+      xStr = string.sub(v, xStart+3, xEnd-1)
+      yStr = string.sub(v, yStart+3, yEnd-1)
 
-    x = tonumber(xStr) / steps
-    y = tonumber(yStr) / steps
+      x = tonumber(xStr) / steps
+      y = tonumber(yStr) / steps
 
-    print(x .. " " .. y ..  " x")
+      print(x .. " " .. y ..  " x")
+    end
   end
 end