diff --git a/content/blog/2022-01-29-duniter-substrate.md b/content/blog/2022-01-29-duniter-substrate.md
index 5ac67edee6f8686d54fe82ecf456c9ac7da063c4..12a3e29b193afd7c8467eb35e7a271eec4f0a4f8 100644
--- a/content/blog/2022-01-29-duniter-substrate.md
+++ b/content/blog/2022-01-29-duniter-substrate.md
@@ -9,7 +9,7 @@ tags = ["rust", "substrate"]
 category = ["Moteur blockchain",]
 
 [extra]
-thumbnail = "/img/duniter.png"
+thumbnail = "/img/duniterv2.svg"
 +++
 
 # Duniter v2 🏗