diff --git a/web/pgadmin/misc/__init__.py b/web/pgadmin/misc/__init__.py
index a9466bafa20..153f3191aab 100644
--- a/web/pgadmin/misc/__init__.py
+++ b/web/pgadmin/misc/__init__.py
@@ -70,10 +70,8 @@ def register_preferences(self):
                 .replace('-', ' ')
                 .title(),
                 'value': theme,
-                'preview_src': url_for(
-                    'static', filename='js/generated/img/' +
-                                       theme_data['preview_img']
-                ) if 'preview_img' in theme_data else None
+                'preview_src': 'js/generated/img/' + theme_data['preview_img']
+                if 'preview_img' in theme_data else None
             })
 
         self.preference.register(
diff --git a/web/pgadmin/preferences/static/js/components/PreferencesComponent.jsx b/web/pgadmin/preferences/static/js/components/PreferencesComponent.jsx
index 085eb32a06e..05baaf0afcb 100644
--- a/web/pgadmin/preferences/static/js/components/PreferencesComponent.jsx
+++ b/web/pgadmin/preferences/static/js/components/PreferencesComponent.jsx
@@ -295,6 +295,7 @@ export default function PreferencesComponent({ ...props }) {
         } else {
           opt.selected = false;
         }
+        opt.preview_src = opt.preview_src && url_for('static', { filename: opt.preview_src });
       });
     }
   }