diff --git a/ext/IJuliaExt.jl b/ext/IJuliaExt.jl
index 3ac62b5..3c26b75 100644
--- a/ext/IJuliaExt.jl
+++ b/ext/IJuliaExt.jl
@@ -10,9 +10,9 @@ function IJulia.display_dict(p::Plot)
         "text/html" => let
             buf = IOBuffer()
             show(buf, MIME("text/html"), p, include_plotlyjs="require")
-            String(resize!(buf.data, buf.size))
+            String(take!(buf))
         end
     )
 end
 
-end
\ No newline at end of file
+end