diff --git a/en/index.markdown b/en/index.markdown
index 7d99884..4b3f0fc 100644
--- a/en/index.markdown
+++ b/en/index.markdown
@@ -54,7 +54,7 @@ Applieds PDEs for Life Sciences – Barcelona
 # Contact
 Gaspard Jankowiak  
 **@** <span>gaspard</span><span></span>@<span>math.janko.fr</span>  
-&#9990;  +43 1515 81 65 52
+&#9990;  +43 688 993 47 83
 {: .float-left}
 
 Office:  
diff --git a/index.markdown b/index.markdown
index a2b9f5e..5881fff 100644
--- a/index.markdown
+++ b/index.markdown
@@ -54,7 +54,7 @@ Préparée sous la direction de <a href="{{authors['jd'].home}}">{{authors['jd']
 
 Gaspard Jankowiak  
 **@** <span>gaspard</span><span></span>@<span>math.janko.fr</span>  
-&#9990;  +43 1515 81 65 52
+&#9990;  +43 688 993 47 83
 {: .float-left}
 
 Bureau: