diff --git a/config/_default/params.toml b/config/_default/params.toml
index 79a706a..af528e1 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -27,7 +27,7 @@ numberOfTagsShown = 14 # Applies for all other default & custom taxonomies. e.g
 usePageBundles = false
 
 # will be used on share >> twitter, facebook, linkedin
-fallBackOgImage = "images/thumbnail.jpg"
+fallBackOgImage = "images/thumbnail.png"
 
 # sets the maximum number of lines per codeblock. The codeblock will however be scrollable and expandable.
 codeMaxLines = 7
diff --git a/static/images/thumbnail.jpg b/static/images/thumbnail.jpg
index 9c7e034..7b1e619 100644
Binary files a/static/images/thumbnail.jpg and b/static/images/thumbnail.jpg differ