diff --git a/stock_analysis_forecast/models/report_stock_forecast.py b/stock_analysis_forecast/models/report_stock_forecast.py
index 6d19757..884b52c 100644
--- a/stock_analysis_forecast/models/report_stock_forecast.py
+++ b/stock_analysis_forecast/models/report_stock_forecast.py
@@ -21,21 +21,25 @@ class ReportStockForecast(models.Model):
     outgoing_quantity = fields.Float(readonly=True)
     location_id = fields.Many2one(
         'stock.location', string='Location', readonly=True)
+    categ_id = fields.Many2one(
+        'product.category', string='Category', readonly=True)
 
     def init(self, cr):
         tools.drop_view_if_exists(cr, 'report_stock_forecast')
         cr.execute("""CREATE OR REPLACE VIEW report_stock_forecast AS (SELECT
-        MIN(id) AS id,
+        MIN(FINAL.id) AS id,
         product_id AS product_id,
         date AS date,
         sum(product_qty) AS quantity,
         sum(in_quantity) AS incoming_quantity,
         sum(out_quantity) AS outgoing_quantity,
-        location_id
+        location_id,
+        categ.id AS categ_id
         FROM
         (SELECT
         MIN(id) AS id,
         MAIN.product_id AS product_id,
+        MAIN.product_tmpl_id as product_tmpl_id,
         MAIN.location_id AS location_id,
         MAIN.date AS date,
         sum(MAIN.product_qty) AS product_qty,
@@ -45,6 +49,7 @@ class ReportStockForecast(models.Model):
         (SELECT
             MIN(sq.id) AS id,
             sq.product_id,
+            product_product.product_tmpl_id,
             date_trunc(
                 'day',
                 to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'),
@@ -61,11 +66,12 @@ class ReportStockForecast(models.Model):
             stock_location location_id ON sq.location_id = location_id.id
             WHERE
             location_id.usage = 'internal'
-            GROUP BY date, sq.product_id, sq.location_id
+            GROUP BY date, sq.product_id, sq.location_id, product_product.product_tmpl_id
             UNION ALL
             SELECT
             MIN(-sm.id) AS id,
             sm.product_id,
+            product_product.product_tmpl_id,
             date_trunc(
                 'day',
                 to_date(to_char(sm.date_expected, 'YYYY/MM/DD'),
@@ -89,11 +95,12 @@ class ReportStockForecast(models.Model):
                 sm.state IN ('confirmed','assigned','waiting') AND
                 source_location.usage != 'internal' AND
                 dest_location.usage = 'internal'
-            GROUP BY sm.date_expected, sm.product_id, dest_location.id
+            GROUP BY sm.date_expected, sm.product_id, dest_location.id, product_product.product_tmpl_id
             UNION ALL
             SELECT
                 MIN(-sm.id) AS id,
                 sm.product_id,
+                product_product.product_tmpl_id,
                 date_trunc(
                         'day',
                         to_date(to_char(sm.date_expected, 'YYYY/MM/DD'),
@@ -117,8 +124,10 @@ class ReportStockForecast(models.Model):
                 sm.state IN ('confirmed','assigned','waiting') AND
             source_location.usage = 'internal' AND
             dest_location.usage != 'internal'
-            GROUP BY sm.date_expected, sm.product_id, source_location.id)
+            GROUP BY sm.date_expected, sm.product_id, source_location.id, product_product.product_tmpl_id)
          AS MAIN
-    GROUP BY MAIN.product_id, MAIN.date, MAIN.date, MAIN.location_id
+    GROUP BY MAIN.product_id, MAIN.date, MAIN.location_id, MAIN.product_tmpl_id
     ) AS FINAL
-    GROUP BY product_id, date, location_id)""")
+    JOIN product_template tmpl ON FINAL.product_tmpl_id = tmpl.id
+    JOIN product_category categ ON tmpl.categ_id = categ.id
+    GROUP BY product_id, date, location_id, categ.id)""")
diff --git a/stock_analysis_forecast/views/report_stock_forecast.xml b/stock_analysis_forecast/views/report_stock_forecast.xml
index c82c129..163e478 100644
--- a/stock_analysis_forecast/views/report_stock_forecast.xml
+++ b/stock_analysis_forecast/views/report_stock_forecast.xml
@@ -26,6 +26,8 @@
         <field name="arch" type="xml">
             <search string="Stock Level forecast">
                 <field name="product_id"/>
+                <field name="location_id"/>
+                <field name="categ_id"/>
                 <field name="date"/>
                 <filter name="internal_location" string="Internal location" domain="[('location_id.usage', '=', 'internal')]"/>
                 <separator/>