diff --git a/workflow/scripts/plot_homo_het.py b/workflow/scripts/plot_homo_het.py
index 14f7810b..2568a504 100755
--- a/workflow/scripts/plot_homo_het.py
+++ b/workflow/scripts/plot_homo_het.py
@@ -32,7 +32,7 @@
 args = vars(parser.parse_args())
 homo_path = args["homoPath"]
 het_path = args["hetPath"]
-out_file = "".join(het_path.split(".")[0:-2]) + ".homo_het.jpg"
+out_file = "".join(het_path.split(".")[0:-2]) + ".homo_het.png"
 sample = het_path.split(".")[0].split("/")[-1].replace("_", " ")
 
 # Global plot settings