diff --git a/src/js/game/blueprint.js b/src/js/game/blueprint.js
index 40c3dff8..23686fa8 100644
--- a/src/js/game/blueprint.js
+++ b/src/js/game/blueprint.js
@@ -34,7 +34,14 @@ export class Blueprint {
      * Serialize
      */
     serialize() {
-        return this.serializer.serializeEntityArray(this.entities);
+        let data = this.serializer.serializeEntityArray(this.entities);
+        // Remove unneeded fields
+        for (let i = 0; i < data.length; ++i) {
+            const entry = data[i];
+            delete entry.uid;
+            delete entry.components.WiredPins;
+        }
+        return data;
     }
 
     /**
@@ -59,6 +66,10 @@ export class Blueprint {
                 if (value.components == undefined || value.components.StaticMapEntity == undefined) {
                     return;
                 }
+                const staticData = value.components.StaticMapEntity;
+                if (staticData.code == undefined || staticData.origin == undefined) {
+                    return;
+                }
                 const result = new SerializerInternal().deserializeEntity(root, value);
                 if (typeof result === "string") {
                     throw new Error(result);
diff --git a/src/js/game/hud/parts/blueprint_placer.js b/src/js/game/hud/parts/blueprint_placer.js
index ee391087..67f1b02f 100644
--- a/src/js/game/hud/parts/blueprint_placer.js
+++ b/src/js/game/hud/parts/blueprint_placer.js
@@ -10,10 +10,10 @@ import { Blueprint } from "../../blueprint";
 import { enumMouseButton } from "../../camera";
 import { KEYMAPPINGS } from "../../key_action_mapper";
 import { BaseHUDPart } from "../base_hud_part";
-import { Entity } from "../../entity";
 import { DynamicDomAttach } from "../dynamic_dom_attach";
 import { globalConfig } from "../../../core/config";
 import { paste } from "../../../core/clipboard_paste";
+import { compressX64, decompressX64 } from "../../../core/lzstring";
 
 const copy = require("clipboard-copy");
 
@@ -223,7 +223,7 @@ export class HUDBlueprintPlacer extends BaseHUDPart {
         const serializedBP = this.currentBlueprint.get().serialize();
         try {
             const json = JSON.stringify(serializedBP);
-            await copy(json);
+            await copy(compressX64(json));
             this.root.soundProxy.playUi(SOUNDS.copy);
             logger.debug("Copied blueprint to clipboard");
         } catch (e) {
@@ -239,7 +239,7 @@ export class HUDBlueprintPlacer extends BaseHUDPart {
         let json;
         try {
             let data = await paste();
-            json = JSON.parse(data);
+            json = JSON.parse(decompressX64(data.trim()));
             logger.debug("Received data from clipboard");
         } catch (e) {
             logger.error("Paste from clipboard failed:", e.message);