diff --git a/client/src/containers/Items/ItemForm.schema.js b/client/src/containers/Items/ItemForm.schema.js
index 0ebc8ab17..963b12f12 100644
--- a/client/src/containers/Items/ItemForm.schema.js
+++ b/client/src/containers/Items/ItemForm.schema.js
@@ -70,6 +70,7 @@ const Schema = Yup.object().shape({
     otherwise: Yup.number().nullable(),
   }),
   opening_quantity: Yup.number()
+    .integer()
     .min(1)
     .nullable()
     .label(formatMessage({ id: 'opening_quantity_' })),