diff --git a/stock_available/__manifest__.py b/stock_available/__manifest__.py
index aa40dd404..a42fde78d 100644
--- a/stock_available/__manifest__.py
+++ b/stock_available/__manifest__.py
@@ -5,7 +5,7 @@
 
 {
     'name': 'Stock available to promise',
-    'version': '10.0.1.0.0',
+    'version': '10.0.1.0.1',
     "author": "Numérigraphe, Sodexis, Odoo Community Association (OCA)",
     'category': 'Warehouse',
     'depends': ['stock'],
diff --git a/stock_available/models/product_product.py b/stock_available/models/product_product.py
index fdce30316..196dff121 100644
--- a/stock_available/models/product_product.py
+++ b/stock_available/models/product_product.py
@@ -5,6 +5,16 @@
 
 from odoo import models, fields, api
 from odoo.addons import decimal_precision as dp
+import operator as py_operator
+
+OPERATORS = {
+    '<': py_operator.lt,
+    '>': py_operator.gt,
+    '<=': py_operator.le,
+    '>=': py_operator.ge,
+    '=': py_operator.eq,
+    '!=': py_operator.ne
+}
 
 
 class ProductProduct(models.Model):
@@ -37,6 +47,7 @@ class ProductProduct(models.Model):
     immediately_usable_qty = fields.Float(
         digits=dp.get_precision('Product Unit of Measure'),
         compute='_compute_available_quantities',
+        search="_search_immediately_usable_qty",
         string='Available to promise',
         help="Stock for this Product that can be safely proposed "
              "for sale to Customers.\n"
@@ -48,3 +59,22 @@ class ProductProduct(models.Model):
         string='Potential',
         help="Quantity of this Product that could be produced using "
              "the materials already at hand.")
+
+    @api.model
+    def _search_immediately_usable_qty(self, operator, value):
+        """
+        Search function for the immediately_usable_qty field.
+        The search is quite similar to the Odoo search about quantity available
+        (addons/stock/models/product.py,253; _search_product_quantity function)
+        :param operator: str
+        :param value: str
+        :return: list of tuple (domain)
+        """
+        products = self.search([])
+        # Force prefetch
+        products.mapped("immediately_usable_qty")
+        product_ids = []
+        for product in products:
+            if OPERATORS[operator](product.immediately_usable_qty, value):
+                product_ids.append(product.id)
+        return [('id', 'in', product_ids)]
diff --git a/stock_available/models/product_template.py b/stock_available/models/product_template.py
index 55be51f92..53be5c904 100644
--- a/stock_available/models/product_template.py
+++ b/stock_available/models/product_template.py
@@ -5,6 +5,16 @@
 
 from odoo import models, fields, api
 from odoo.addons import decimal_precision as dp
+import operator as py_operator
+
+OPERATORS = {
+    '<': py_operator.lt,
+    '>': py_operator.gt,
+    '<=': py_operator.le,
+    '>=': py_operator.ge,
+    '=': py_operator.eq,
+    '!=': py_operator.ne
+}
 
 
 class ProductTemplate(models.Model):
@@ -41,6 +51,7 @@ class ProductTemplate(models.Model):
     immediately_usable_qty = fields.Float(
         digits=dp.get_precision('Product Unit of Measure'),
         compute='_compute_available_quantities',
+        search="_search_immediately_usable_qty",
         string='Available to promise',
         help="Stock for this Product that can be safely proposed "
              "for sale to Customers.\n"
@@ -54,3 +65,22 @@ class ProductTemplate(models.Model):
              "the materials already at hand. "
              "If the product has several variants, this will be the biggest "
              "quantity that can be made for a any single variant.")
+
+    @api.model
+    def _search_immediately_usable_qty(self, operator, value):
+        """
+        Search function for the immediately_usable_qty field.
+        The search is quite similar to the Odoo search about quantity available
+        (addons/stock/models/product.py,253; _search_product_quantity function)
+        :param operator: str
+        :param value: str
+        :return: list of tuple (domain)
+        """
+        products = self.search([])
+        # Force prefetch
+        products.mapped("immediately_usable_qty")
+        product_ids = []
+        for product in products:
+            if OPERATORS[operator](product.immediately_usable_qty, value):
+                product_ids.append(product.id)
+        return [('id', 'in', product_ids)]
diff --git a/stock_available/tests/test_stock_available.py b/stock_available/tests/test_stock_available.py
index 23025500f..0d05e786c 100644
--- a/stock_available/tests/test_stock_available.py
+++ b/stock_available/tests/test_stock_available.py
@@ -76,10 +76,30 @@ class TestStockLogisticsWarehouse(TransactionCase):
              })
 
         def compare_product_usable_qty(product, value):
+            """
+            Compare the immediately_usable_qty with the given value
+            Check also the search function for the immediately_usable_qty field
+            :param product: product (template/product) recordset
+            :param value: int
+            :return:
+            """
             # Refresh, because the function field is not recalculated between
             # transactions
             product.refresh()
             self.assertEqual(product.immediately_usable_qty, value)
+            # Now check search function
+            domain = [('immediately_usable_qty', '=', value)]
+            results = self.env[product._name].search(domain)
+            self.assertIn(product.id, results.ids)
+            domain = [('immediately_usable_qty', '!=', value)]
+            results = self.env[product._name].search(domain)
+            self.assertNotIn(product.id, results.ids)
+            domain = [('immediately_usable_qty', '>', value-1)]
+            results = self.env[product._name].search(domain)
+            self.assertIn(product.id, results.ids)
+            domain = [('immediately_usable_qty', '<', value+1)]
+            results = self.env[product._name].search(domain)
+            self.assertIn(product.id, results.ids)
 
         compare_product_usable_qty(productA, 0)
         compare_product_usable_qty(templateAB, 0)