diff --git a/filters/pandoc_plantuml_filter.py b/filters/pandoc_plantuml_filter.py
index e6b0755..25c1917 100755
--- a/filters/pandoc_plantuml_filter.py
+++ b/filters/pandoc_plantuml_filter.py
@@ -41,8 +41,8 @@ def plantuml(key, value, format_, meta):
             else:
                 latex_img_format = "eps"
 
-            os.makedirs("images", exist_ok=True)
-            filename = "images/" + hashlib.sha1(code.encode(sys.getfilesystemencoding())).hexdigest()
+            os.makedirs("output/images", exist_ok=True)
+            filename = "output/images/" + hashlib.sha1(code.encode(sys.getfilesystemencoding())).hexdigest()
             filetype = get_extension(format_, "png", html="svg", latex=latex_img_format, beamer=latex_img_format)
 
             src = filename + '.uml'
@@ -55,7 +55,6 @@ def plantuml(key, value, format_, meta):
                 with open(src, "wb") as f:
                     f.write(txt)
                 subprocess.check_call(PLANTUML_BIN.split() + ["-t" + filetype, src])
-                sys.stderr.write('Created image ' + dest + '\n')
             if (filetype == "latex") and (latex_img_format == 'latex'):
                 latex = open(dest).read()
                 return RawBlock('latex', latex.split("\\begin{document}")[-1].split("\\end{document}")[0])