diff --git a/README.md b/README.md
index add3eb5..6d44391 100644
--- a/README.md
+++ b/README.md
@@ -149,7 +149,7 @@ This library has been developed initially at the
 Commission (870142).
 
 <p float="left">
-    <img src="doc/source/_static/DFKI_Logo.jpg" height="100px" />
+    <img src="doc/source/_static/DFKI_Logo.png" height="100px" />
     <img src="doc/source/_static/Uni_Logo.png" height="100px" />
 </p>
 
diff --git a/doc/source/_static/DFKI_Logo.jpg b/doc/source/_static/DFKI_Logo.jpg
deleted file mode 100644
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diff --git a/doc/source/_static/DFKI_Logo.png b/doc/source/_static/DFKI_Logo.png
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