diff --git a/src/lib/features/metrics/client-metrics/client-metrics-store-v2.ts b/src/lib/features/metrics/client-metrics/client-metrics-store-v2.ts
index 7fa222f44628..4ec3abde5e82 100644
--- a/src/lib/features/metrics/client-metrics/client-metrics-store-v2.ts
+++ b/src/lib/features/metrics/client-metrics/client-metrics-store-v2.ts
@@ -119,7 +119,7 @@ const variantRowReducerV2 = (acc, tokenRow) => {
         };
     }
     if (variant) {
-        acc[key].variants[variant] = count;
+        acc[key].variants[variant] = Number(count);
     }
 
     return acc;
diff --git a/src/migrations/20240919083625-client-metrics-env-variants-daily-to-bigint.js b/src/migrations/20240919083625-client-metrics-env-variants-daily-to-bigint.js
new file mode 100644
index 000000000000..31f1f0c78c0d
--- /dev/null
+++ b/src/migrations/20240919083625-client-metrics-env-variants-daily-to-bigint.js
@@ -0,0 +1,7 @@
+exports.up = function(db, cb) {
+    db.runSql(`ALTER TABLE client_metrics_env_variants_daily ALTER COLUMN count TYPE BIGINT`, cb);
+};
+
+exports.down = function(db, cb) {
+    db.runSql(`ALTER TABLE client_metrics_env_variants_daily ALTER COLUMN count TYPE INT`, cb);
+};