diff --git a/overrides/webklex/php-imap/src/Query/Query.php b/overrides/webklex/php-imap/src/Query/Query.php
index 14c0764e0..f3673c91b 100644
--- a/overrides/webklex/php-imap/src/Query/Query.php
+++ b/overrides/webklex/php-imap/src/Query/Query.php
@@ -162,6 +162,9 @@ public function generate_query(): string {
                 } else {
                     if (is_numeric($statement[1])) {
                         $query .= $statement[0] . ' ' . $statement[1];
+                    } else if ($statement[0] == 'SINCE' && preg_match("#^[0-9]\-[a-zA-Z]\-[0-9]$#", $statement[1])) {
+                        // https://github.com/freescout-help-desk/freescout/issues/4175
+                        $query .= $statement[0] . ' ' . $statement[1];
                     } else {
                         $query .= $statement[0] . ' "' . $statement[1] . '"';
                     }