diff --git a/families/e5/README.md b/families/e5/README.md
index c36dafb5694f8316c56ca7185229e1cbeff7e4a1..d8d3f38843287f66f80a337605252792035ee686 100644
--- a/families/e5/README.md
+++ b/families/e5/README.md
@@ -10,7 +10,7 @@
 
 Alternate port function tables, taken from the data sheet
 
-<img src="img/port_functions_1.jpg" width="500">
+<img src="img/port_functions_1.png" width="500">
 
-<img src="img/port_functions_2.jpg" width="500">
+<img src="img/port_functions_2.png" width="500">