diff --git a/layers/aeroway/mapping.yaml b/layers/aeroway/mapping.yaml
index 0d77037..2f1b90e 100644
--- a/layers/aeroway/mapping.yaml
+++ b/layers/aeroway/mapping.yaml
@@ -23,7 +23,7 @@ tables:
       key: aeroway
       type: string
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     mapping:
       aeroway:
       - aerodrome
diff --git a/layers/building/mapping.yaml b/layers/building/mapping.yaml
index e4489f0..49783d9 100644
--- a/layers/building/mapping.yaml
+++ b/layers/building/mapping.yaml
@@ -16,7 +16,7 @@ tables:
     - name: geometry
       type: validated_geometry
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     - name: building
       key: building
       type: string
diff --git a/layers/landcover/mapping.yaml b/layers/landcover/mapping.yaml
index ffa6d7d..337ac5e 100644
--- a/layers/landcover/mapping.yaml
+++ b/layers/landcover/mapping.yaml
@@ -58,7 +58,7 @@ tables:
       key: wetland
       type: string
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     mapping:
       landuse:
       - allotments
diff --git a/layers/landuse/mapping.yaml b/layers/landuse/mapping.yaml
index 3773a38..7527e8a 100644
--- a/layers/landuse/mapping.yaml
+++ b/layers/landuse/mapping.yaml
@@ -39,7 +39,7 @@ tables:
       key: leisure
       type: string
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     mapping:
       amenity:
       - school
diff --git a/layers/park/mapping.yaml b/layers/park/mapping.yaml
index 29fb1f0..0649d9a 100644
--- a/layers/park/mapping.yaml
+++ b/layers/park/mapping.yaml
@@ -67,7 +67,7 @@ tables:
       key: boundary
       type: string
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     mapping:
       leisure:
       - nature_reserve
diff --git a/layers/place/mapping.yaml b/layers/place/mapping.yaml
index ab14e41..57cbce2 100644
--- a/layers/place/mapping.yaml
+++ b/layers/place/mapping.yaml
@@ -97,7 +97,7 @@ tables:
     - name: geometry
       type: geometry
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     - *name
     - *name_en
     - *name_de
diff --git a/layers/water/mapping.yaml b/layers/water/mapping.yaml
index e923fb0..4d31fb0 100644
--- a/layers/water/mapping.yaml
+++ b/layers/water/mapping.yaml
@@ -40,7 +40,7 @@ tables:
     - name: geometry
       type: validated_geometry
     - name: area
-      type: pseudoarea
+      type: webmerc_area
     - key: name
       name: name
       type: string