diff --git a/frontend/src/components/Modals/DealModal.vue b/frontend/src/components/Modals/DealModal.vue
index a869816e..9c38f1ef 100644
--- a/frontend/src/components/Modals/DealModal.vue
+++ b/frontend/src/components/Modals/DealModal.vue
@@ -197,8 +197,9 @@ function createDeal() {
     validate() {
       error.value = null
       if (deal.annual_revenue) {
-        deal.annual_revenue = deal.annual_revenue.replace(/,/g, '')
-        if (isNaN(deal.annual_revenue)) {
+        if (typeof deal.annual_revenue === 'string') {
+          deal.annual_revenue = deal.annual_revenue.replace(/,/g, '')
+        } else if (isNaN(deal.annual_revenue)) {
           error.value = __('Annual Revenue should be a number')
           return error.value
         }
diff --git a/frontend/src/components/Modals/LeadModal.vue b/frontend/src/components/Modals/LeadModal.vue
index 81b44903..dbe21ba6 100644
--- a/frontend/src/components/Modals/LeadModal.vue
+++ b/frontend/src/components/Modals/LeadModal.vue
@@ -140,8 +140,9 @@ function createNewLead() {
         return error.value
       }
       if (lead.annual_revenue) {
-        lead.annual_revenue = lead.annual_revenue.replace(/,/g, '')
-        if (isNaN(lead.annual_revenue)) {
+        if (typeof lead.annual_revenue === 'string') {
+          lead.annual_revenue = lead.annual_revenue.replace(/,/g, '')
+        } else if (isNaN(lead.annual_revenue)) {
           error.value = __('Annual Revenue should be a number')
           return error.value
         }