diff --git a/src/runtime/browser/helper.jsonStringifyRecursive.ts b/src/runtime/browser/helper.jsonStringifyRecursive.ts
index fbab8d9..9b29942 100644
--- a/src/runtime/browser/helper.jsonStringifyRecursive.ts
+++ b/src/runtime/browser/helper.jsonStringifyRecursive.ts
@@ -9,6 +9,9 @@ export function jsonStringifyRecursive(obj: unknown) {
       // Store value in our collection
       cache.add(value);
     }
+    if (typeof value === "bigint") {
+      return `${value}`;
+    }
     return value;
   });
 }
diff --git a/src/runtime/nodejs/index.ts b/src/runtime/nodejs/index.ts
index 3ec8373..ccd4b18 100644
--- a/src/runtime/nodejs/index.ts
+++ b/src/runtime/nodejs/index.ts
@@ -165,6 +165,9 @@ export function transportJSON<LogObj>(json: LogObj & ILogObjMeta): void {
         // Store value in our collection
         cache.add(value);
       }
+      if (typeof value === "bigint") {
+        return `${value}`;
+      }
       return value;
     });
   }