diff --git a/helpers/FilterHelper.php b/helpers/FilterHelper.php
index 16d95a6..a046eb7 100755
--- a/helpers/FilterHelper.php
+++ b/helpers/FilterHelper.php
@@ -190,7 +190,10 @@
 
                 }
             }
-            self::filterOptions($params, $productVariantOptions, $query);
+            if(!empty($params)){
+                self::filterOptions($params, $productVariantOptions, $query);
+            }
+
         }
 
 
@@ -210,9 +213,10 @@
             $variant_query = ( new Query() )->distinct()
                 ->select('product_variant.product_id as products')
                 ->from('product_variant');
-
+            $variantSearch = false;
             foreach ($params as $key=>$param){
                 if(in_array($key, $productVariantOptions)){
+                    $variantSearch = true;
                     unset($params[$key]);
                     $product_variant_id = ( new Query() )->distinct()->select('product_variant_option.product_variant_id as id')
                         ->from('product_variant_option')
@@ -239,38 +243,47 @@
 
             }
 
+            if($variantSearch){
+                if($in_stock) {
+                    $variant_query->andWhere(['!=', 'product_variant.stock', 0]);
+                }
+
+
+                $query->andWhere([ 'product.id' => $variant_query ]);
 
-            if($in_stock) {
-                $variant_query->andWhere(['!=', 'product_variant.stock', 0]);
             }
-            $product_query = ( new Query() )->distinct()
-                ->select('product_option.product_id as products')
-                ->from('product_option')
-                ->innerJoin(
-                    'tax_option',
-                    'tax_option.id = product_option.option_id'
-                )
-                ->innerJoin(
-                    'tax_option_lang',
-                    'tax_option_lang.tax_option_id = tax_option.id'
-                )
-                ->innerJoin(
-                    'tax_group',
-                    'tax_group.id = tax_option.tax_group_id'
-                )
-                ->innerJoin(
-                    'tax_group_lang',
-                    'tax_group_lang.tax_group_id = tax_group.id'
-                );
-            foreach ($params as $key=>$param){
-                $product_query
-                    ->where([ 'tax_group_lang.alias' => $key ])
-                    ->andWhere([ 'tax_option_lang.alias' => $param ]);
 
+
+
+            if(!empty($params)) {
+                $product_query = ( new Query() )->distinct()
+                    ->select('product_option.product_id as products')
+                    ->from('product_option')
+                    ->innerJoin(
+                        'tax_option',
+                        'tax_option.id = product_option.option_id'
+                    )
+                    ->innerJoin(
+                        'tax_option_lang',
+                        'tax_option_lang.tax_option_id = tax_option.id'
+                    )
+                    ->innerJoin(
+                        'tax_group',
+                        'tax_group.id = tax_option.tax_group_id'
+                    )
+                    ->innerJoin(
+                        'tax_group_lang',
+                        'tax_group_lang.tax_group_id = tax_group.id'
+                    );
+                foreach ($params as $key=>$param){
+                    $product_query
+                        ->where([ 'tax_group_lang.alias' => $key ])
+                        ->andWhere([ 'tax_option_lang.alias' => $param ]);
+
+                }
+                $query->andWhere([ 'product.id' => $product_query ]);
             }
 
-            $query->andWhere([ 'product.id' => $product_query ]);
-            $query->andWhere([ 'product.id' => $variant_query ]);
 
         }
 
--
libgit2 0.21.4