diff --git a/pyzebra/app/panel_anatric.py b/pyzebra/app/panel_anatric.py
index 5abe7c0..20434d9 100644
--- a/pyzebra/app/panel_anatric.py
+++ b/pyzebra/app/panel_anatric.py
@@ -224,7 +224,7 @@ def create():
     def process_button_callback():
         pyzebra.anatric(fileinput.value)
 
-    process_button = Button(label="Process")
+    process_button = Button(label="Process", button_type="primary")
     process_button.on_click(process_button_callback)
 
     tab_layout = row(