diff --git a/packages/excalidraw/fonts/ExcalidrawFont.ts b/packages/excalidraw/fonts/ExcalidrawFont.ts
index 468873ad03..559b4c5b3b 100644
--- a/packages/excalidraw/fonts/ExcalidrawFont.ts
+++ b/packages/excalidraw/fonts/ExcalidrawFont.ts
@@ -132,10 +132,16 @@ export class ExcalidrawFont implements Font {
   }
 
   private static async toBase64(arrayBuffer: ArrayBuffer) {
-    return `data:font/woff2;base64,${await stringToBase64(
-      await toByteString(arrayBuffer),
-      true,
-    )}`;
+    let base64: string;
+
+    if (Buffer) {
+      // node + server-side
+      base64 = Buffer.from(arrayBuffer).toString("base64");
+    } else {
+      base64 = await stringToBase64(await toByteString(arrayBuffer), true);
+    }
+
+    return `data:font/woff2;base64,${base64}`;
   }
 
   private static createUrls(uri: string): URL[] {