diff --git a/README.md b/README.md
index 82e4dbe..dde68e4 100644
--- a/README.md
+++ b/README.md
@@ -492,6 +492,6 @@ This project is licensed under the LGPLv3 License - see the [**License**][licens
 [demo]: https://mybinder.org/v2/gh/nfstream/nfstream/master?filepath=demo_notebook.ipynb
 [pypy]: https://www.pypy.org/
 [cffi]: https://cffi.readthedocs.io/en/latest/index.html
-[sah]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/sah.png?raw=true
-[tuke]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/tuke.png?raw=true
-[ntop]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/ntop.png?raw=true
\ No newline at end of file
+[sah]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/sah_logo.png?raw=true
+[tuke]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/tuke_logo.png?raw=true
+[ntop]:https://raw.githubusercontent.com/nfstream/nfstream/master/assets/ntop_logo.png?raw=true
\ No newline at end of file
diff --git a/assets/ntop.png b/assets/ntop_logo.png
similarity index 100%
rename from assets/ntop.png
rename to assets/ntop_logo.png
diff --git a/assets/sah.png b/assets/sah_logo.png
similarity index 100%
rename from assets/sah.png
rename to assets/sah_logo.png
diff --git a/assets/tuke.png b/assets/tuke.png
deleted file mode 100644
index c1f3c91..0000000
Binary files a/assets/tuke.png and /dev/null differ
diff --git a/assets/tuke_logo.png b/assets/tuke_logo.png
new file mode 100644
index 0000000..8df5833
Binary files /dev/null and b/assets/tuke_logo.png differ