diff --git a/src/boomer.nim b/src/boomer.nim
index ca71edc..af84e10 100644
--- a/src/boomer.nim
+++ b/src/boomer.nim
@@ -236,10 +236,6 @@ proc main() =
 
   glEnable(GL_TEXTURE_2D)
 
-  glOrtho(0.0, screenshot.width.float,
-          screenshot.height.float, 0.0,
-          -1.0, 1.0)
-
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER)