diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index 649bf8634..095e2a963 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -606,7 +606,7 @@ NAN_METHOD(Context2d::DrawImage) {
   if (args.Length() < 3)
     return NanThrowTypeError("invalid arguments");
 
-  int sx = 0
+  double sx = 0
     , sy = 0
     , sw = 0
     , sh = 0