diff --git a/projects/arXMLiv.md b/projects/arXMLiv.md
index f00f7866199599b1ceea527bfbb927913aa65c49..91a92317842a5bc7be16fae1fd93628206348e91 100644
--- a/projects/arXMLiv.md
+++ b/projects/arXMLiv.md
@@ -17,7 +17,7 @@ collaborators:
     - Dr. Bruce Miller (NIST)
     - various Jacobs University undergrads
 
-logo: public/kwarc_logo.png
+logo: public/kwarc_logo.svg
 website: http://cortex.mathweb.org
 repository: https://github.com/dginev/CorTeX
 ---
diff --git a/projects/comma.md b/projects/comma.md
index a67eaa6f08ec35daf9ccc98e5b2ed08e1af75f47..795e7f4210275d63df5b98507b23cf214195cbcb 100644
--- a/projects/comma.md
+++ b/projects/comma.md
@@ -12,7 +12,7 @@ people:
     - mkohlhase
     - dginev
     - jfschaefer
-logo: public/kwarc_logo.png
+logo: public/kwarc_logo.svg
 funding: internal
 ---
 
diff --git a/projects/mamored.md b/projects/mamored.md
index 977dc0736ca1acc9e088a4cfb63eca78be5b2ecf..cb127269612531c9a4dca8e4e0ab6731da84e2c7 100644
--- a/projects/mamored.md
+++ b/projects/mamored.md
@@ -20,7 +20,7 @@ collaborators:
     - Dr. Wolfram Sperber (FIZ Karlsruhe)
     - Dr. Karsten Tabelow (WIAS Berlin)
     - Dr. Olaf Teschke (FIZ Karlsruhe)
-logo: public/kwarc_logo.png
+logo: public/kwarc_logo.svg
 funding: internal
 ---
 The MaMoReD projects studies whether and how the flexiformalization of mathematical
diff --git a/projects/tetrapod.md b/projects/tetrapod.md
index 1b09958ad8bf2244e68443cc625bc7cb80c18138..25ff017642111e97a08f7ffa53b8a6c6f48ea4d3 100644
--- a/projects/tetrapod.md
+++ b/projects/tetrapod.md
@@ -18,7 +18,7 @@ collaborators:
     - Prof. William Farmer (McMaster University)
     - Prof. Jacques Carette (McMaster University) 
 
-logo: public/kwarc_logo.png
+logo: public/kwarc_logo.svg
 funding: internal
 ---