diff --git a/server/app/common/lists/ListsSortTrait.php b/server/app/common/lists/ListsSortTrait.php
index 34799f3a479841e9ad5bbdf980ce0c9b203ad832..e6d84c0d5878458677ea6b7e261e2f9d8f1031b6 100644
--- a/server/app/common/lists/ListsSortTrait.php
+++ b/server/app/common/lists/ListsSortTrait.php
@@ -42,10 +42,10 @@ trait ListsSortTrait
             return $defaultOrder;
         }
 
-        if ($this->orderBy = 'desc') {
+        if ($this->orderBy == 'desc') {
             return [$field => 'desc'];
         }
-        if ($this->orderBy = 'asc') {
+        if ($this->orderBy == 'asc') {
             return [$field => 'asc'];
         }
         return $defaultOrder;