diff --git a/actions/publishToPublication.ts b/actions/publishToPublication.ts
index 827bae6b..ebec9212 100644
--- a/actions/publishToPublication.ts
+++ b/actions/publishToPublication.ts
@@ -484,10 +484,10 @@ async function processBlocksToPages(
           let canvasBlockRecord: PubLeafletPagesCanvas.Block = {
             $type: "pub.leaflet.pages.canvas#block",
             block: content,
-            x: position.x,
-            y: position.y,
-            width,
-            ...(rotation !== undefined && { rotation }),
+            x: Math.floor(position.x),
+            y: Math.floor(position.y),
+            width: Math.floor(width),
+            ...(rotation !== undefined && { rotation: Math.floor(rotation) }),
           };
 
           return canvasBlockRecord;
diff --git a/lexicons/api/lexicons.ts b/lexicons/api/lexicons.ts
index e14c622d..4de4c82b 100644
--- a/lexicons/api/lexicons.ts
+++ b/lexicons/api/lexicons.ts
@@ -1508,6 +1508,7 @@ export const schemaDict = {
           },
           rotation: {
             type: 'integer',
+            description: 'The rotation of the block in degrees',
           },
         },
       },
diff --git a/lexicons/api/types/pub/leaflet/pages/canvas.ts b/lexicons/api/types/pub/leaflet/pages/canvas.ts
index da5a3f21..3263d977 100644
--- a/lexicons/api/types/pub/leaflet/pages/canvas.ts
+++ b/lexicons/api/types/pub/leaflet/pages/canvas.ts
@@ -62,6 +62,7 @@ export interface Block {
   y: number
   width: number
   height?: number
+  /** The rotation of the block in degrees */
   rotation?: number
 }
 
diff --git a/lexicons/pub/leaflet/pages/canvas.json b/lexicons/pub/leaflet/pages/canvas.json
index 39cf031c..dd1e7785 100644
--- a/lexicons/pub/leaflet/pages/canvas.json
+++ b/lexicons/pub/leaflet/pages/canvas.json
@@ -59,7 +59,8 @@
           "type": "integer"
         },
         "rotation": {
-          "type": "integer"
+          "type": "integer",
+          "description": "The rotation of the block in degrees"
         }
       }
     },
diff --git a/lexicons/src/pages/Canvas.ts b/lexicons/src/pages/Canvas.ts
index 5b64fd57..68631c41 100644
--- a/lexicons/src/pages/Canvas.ts
+++ b/lexicons/src/pages/Canvas.ts
@@ -22,7 +22,10 @@ export const PubLeafletPagesCanvasDocument: LexiconDoc = {
         y: { type: "integer" },
         width: { type: "integer" },
         height: { type: "integer" },
-        rotation: { type: "integer" },
+        rotation: {
+          type: "integer",
+          description: "The rotation of the block in degrees",
+        },
       },
     },
     textAlignLeft: { type: "token" },