diff --git a/dist/commonjs/index.js b/dist/commonjs/index.js
index acb542b1b71a7e808173d938d16f45a484334f94..dc9289461b761f8f0d5c72919f48f94e394addfd 100644
--- a/dist/commonjs/index.js
+++ b/dist/commonjs/index.js
@@ -107,6 +107,9 @@ function prepareSnapshot(snapshot) {
             if (item.max && item.max !== "1fr") {
                 item.max.value = new big_js_1.default(item.max.value);
             }
+            if (item.default && typeof item.default === "object" && item.default.value !== undefined) {
+                item.default.value = new big_js_1.default(item.default.value);
+            }
         }
         else {
             item.size.value = new big_js_1.default(item.size.value);
diff --git a/dist/esm/index.js b/dist/esm/index.js
index 8891ac0141135a3a885bd704d9d443458c7a01bf..34cd7251f2298e7f9bfedfe4cadb797aa790b59a 100644
--- a/dist/esm/index.js
+++ b/dist/esm/index.js
@@ -81,6 +81,9 @@ export function prepareSnapshot(snapshot) {
             if (item.max && item.max !== "1fr") {
                 item.max.value = new Big(item.max.value);
             }
+            if (item.default && typeof item.default === "object" && item.default.value !== undefined) {
+                item.default.value = new Big(item.default.value);
+            }
         }
         else {
             item.size.value = new Big(item.size.value);