diff --git a/app/map_styles/polygon.xml b/app/map_styles/polygon.xml
index e881b428..92ff1a6f 100644
--- a/app/map_styles/polygon.xml
+++ b/app/map_styles/polygon.xml
@@ -518,7 +518,7 @@
             <PolygonSymbolizer fill="#53f5dd" />
         </Rule>
         <Rule>
-            <Filter>[current_landuse_order] = "Unknown buildings"</Filter>
+            <Filter>[current_landuse_order] = "Unclassified buildings"</Filter>
             <PolygonSymbolizer fill="#6c6f8e" />
         </Rule>
         <Rule>
diff --git a/app/src/frontend/config/category-maps-config.ts b/app/src/frontend/config/category-maps-config.ts
index c32673a1..9bc12599 100644
--- a/app/src/frontend/config/category-maps-config.ts
+++ b/app/src/frontend/config/category-maps-config.ts
@@ -204,7 +204,7 @@ export const categoryMapsConfig: {[key in Category]: CategoryMapDefinition[]} =
                 { color: '#fa667d', text: 'Agriculture' },
                 { color: '#53f5dd', text: 'Minerals' },
                 { color: '#ffffff', text: 'Vacant & Derelict' },
-                { color: '#6c6f8e', text: 'Unknown buildings' }
+                { color: '#6c6f8e', text: 'Unclassified buildings' }
             ]
         },
     }],