diff --git a/lib/png.js b/lib/png.js
index b4663c8..f5147aa 100644
--- a/lib/png.js
+++ b/lib/png.js
@@ -135,7 +135,7 @@ PNG.bitblt = function(src, dst, srcX, srcY, width, height, deltaX, deltaY) { //
 };
 
 
-PNG.prototype.bitblt = function(src, dst, srcX, srcY, width, height, deltaX, deltaY) { // eslint-disable-line max-params
+PNG.prototype.bitblt = function(dst, srcX, srcY, width, height, deltaX, deltaY) { // eslint-disable-line max-params
 
   PNG.bitblt(this, dst, srcX, srcY, width, height, deltaX, deltaY);
   return this;