diff --git a/papers/amadi_udu/main.md b/papers/amadi_udu/main.md
index 20f1936a8b..39ae3ea7f4 100644
--- a/papers/amadi_udu/main.md
+++ b/papers/amadi_udu/main.md
@@ -106,7 +106,7 @@ The hierarchical cluster and Spearman’s ranking for moisture absorbed composit
 :align: center
 :label: fig:hiercorr
 (hiercorr-a)=
-![](./images/gsvs_hierclus_cmap.png)
+![](./images/gsvs_hierclus_cmap.jpg)
 
 Feature relationship for moisture absorbed composite dataset; (a) hierarchical cluster, (b) Spearman correlation ranking.
 :::