diff --git a/src/SearchQuery.php b/src/SearchQuery.php
index f2dd5bb..9396ac1 100644
--- a/src/SearchQuery.php
+++ b/src/SearchQuery.php
@@ -4,6 +4,8 @@
 
 namespace CultuurNet\SearchV3;
 
+use CultuurNet\SearchV3\Parameter\Query;
+
 final class SearchQuery implements SearchQueryInterface
 {
     /**
@@ -94,18 +96,32 @@ public function setLimit(int $limit): void
     public function toArray(): array
     {
         $query = [];
+        $advancedQueries = [];
+
         foreach ($this->parameters as $parameter) {
             $key = $parameter->getKey();
 
+            if ($parameter instanceof Query) {
+                $advancedQueries[] = $parameter->getValue();
+                continue;
+            }
+
             if (isset($query[$key])) {
                 if ($parameter->allowsMultiple()) {
                     $query[$key] = is_array($query[$key]) ? $query[$key] : [$query[$key]];
                     $query[$key][] = $parameter->getValue();
-                } else {
-                    continue;
                 }
+                continue;
+            }
+
+            $query[$key] = $parameter->getValue();
+        }
+
+        if (!empty($advancedQueries)) {
+            if (count($advancedQueries) === 1) {
+                $query['q'] = $advancedQueries[0];
             } else {
-                $query[$key] = $parameter->getValue();
+                $query['q'] = '(' . implode(') AND (', $advancedQueries) . ')';
             }
         }
 
diff --git a/test/SearchQueryTest.php b/test/SearchQueryTest.php
index d9fb4fd..14a6f9f 100644
--- a/test/SearchQueryTest.php
+++ b/test/SearchQueryTest.php
@@ -8,6 +8,7 @@
 use CultuurNet\SearchV3\Parameter\Facet;
 use CultuurNet\SearchV3\Parameter\Id;
 use CultuurNet\SearchV3\Parameter\Label;
+use CultuurNet\SearchV3\Parameter\Query;
 use CultuurNet\SearchV3\ValueObjects\CalendarSummaryFormat;
 use PHPUnit\Framework\TestCase;
 
@@ -192,6 +193,57 @@ public function testToArrayMethodWithDuplicateFacetKeys(): void
         $this->assertEquals($expectedQuery, $result);
     }
 
+    public function testToArrayMethodWithOneAdvancedQuery(): void
+    {
+        $this->searchQuery->addParameter(new Query('foo:bar'));
+
+        $expectedQuery = [
+            'sort' => [
+                'title' => 'asc',
+            ],
+            'embed' => true,
+            'start' => 10,
+            'limit' => 50,
+            'labels' => 'test-label',
+            'facets' => 'regions',
+            'embedCalendarSummaries' => [
+                'md-html',
+                'lg-text',
+            ],
+            'q' => 'foo:bar',
+        ];
+
+        $result = $this->searchQuery->toArray();
+
+        $this->assertEquals($expectedQuery, $result);
+    }
+
+    public function testToArrayMethodWithMultipleAdvancedQueries(): void
+    {
+        $this->searchQuery->addParameter(new Query('foo:bar'));
+        $this->searchQuery->addParameter(new Query('het depot'));
+
+        $expectedQuery = [
+            'sort' => [
+                'title' => 'asc',
+            ],
+            'embed' => true,
+            'start' => 10,
+            'limit' => 50,
+            'labels' => 'test-label',
+            'facets' => 'regions',
+            'embedCalendarSummaries' => [
+                'md-html',
+                'lg-text',
+            ],
+            'q' => '(foo:bar) AND (het depot)',
+        ];
+
+        $result = $this->searchQuery->toArray();
+
+        $this->assertEquals($expectedQuery, $result);
+    }
+
     public function testToStringMethod(): void
     {
         $expectedQueryString = 'labels=test-label&facets=regions&embedCalendarSummaries[0]=md-html&embedCalendarSummaries[1]=lg-text&sort[title]=asc&embed=1&start=10&limit=50';