diff --git a/x-pack/plugins/index_management/public/application/sections/home/data_stream_list/edit_data_retention_modal/edit_data_retention_modal.tsx b/x-pack/plugins/index_management/public/application/sections/home/data_stream_list/edit_data_retention_modal/edit_data_retention_modal.tsx
index 12b7789f39051..f747abca19f05 100644
--- a/x-pack/plugins/index_management/public/application/sections/home/data_stream_list/edit_data_retention_modal/edit_data_retention_modal.tsx
+++ b/x-pack/plugins/index_management/public/application/sections/home/data_stream_list/edit_data_retention_modal/edit_data_retention_modal.tsx
@@ -66,6 +66,21 @@ const configurationFormSchema: FormSchema = {
     ),
     formatters: [fieldFormatters.toInt],
     validations: [
+      {
+        validator: ({ value }) => {
+          // TODO: Replace with validator added in https://github.com/elastic/kibana/pull/196527/
+          if (!Number.isInteger(Number(value ?? ''))) {
+            return {
+              message: i18n.translate(
+                'xpack.idxMgmt.dataStreamsDetailsPanel.editDataRetentionModal.dataRetentionFieldIntegerError',
+                {
+                  defaultMessage: 'Only integers are allowed.',
+                }
+              ),
+            };
+          }
+        },
+      },
       {
         validator: ({ value, formData, customData }) => {
           // We only need to validate the data retention field if infiniteRetentionPeriod is set to false