diff --git a/src/Services/QueryBuilder/Filters/RhsColonSyntax.php b/src/Services/QueryBuilder/Filters/RhsColonSyntax.php
index 9538e54..2ca7a5b 100644
--- a/src/Services/QueryBuilder/Filters/RhsColonSyntax.php
+++ b/src/Services/QueryBuilder/Filters/RhsColonSyntax.php
@@ -110,6 +110,8 @@ protected function isOperatorAllowed(string $operator, array $allowedOperators,
      */
     protected function applyFilter(Builder $query, string $column, string $operator, string $value)
     {
+        $column = $query->getModel()->qualifyColumn($column);
+
         // Do some final preparations of the value
         if(in_array($operator, ['in', 'nin'])) {
             $value = explode(',', $value);
@@ -137,4 +139,4 @@ protected function applyFilter(Builder $query, string $column, string $operator,
             $query->where($column, $this->operatorsMap[$operator], $value);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/QueryBuilder/QueryBuilder.php b/src/Services/QueryBuilder/QueryBuilder.php
index a54fc07..5e65aea 100644
--- a/src/Services/QueryBuilder/QueryBuilder.php
+++ b/src/Services/QueryBuilder/QueryBuilder.php
@@ -14,7 +14,8 @@ public function allowedSorts($sorts) : BaseQueryBuilder
             if($sort instanceof AllowedSort) {
                 return $sort;
             }
-            return AllowedSort::field(ltrim($sort, '-'));
+            $name = ltrim($sort, '-');
+            return AllowedSort::field($name, $this->getModel()->qualifyColumn($name));
         });
         $this->ensureAllSortsExist();
         $this->addRequestedSortsToQuery();