diff --git a/ui/include/classes/import/CImportReferencer.php b/ui/include/classes/import/CImportReferencer.php
index d83cd94628..0cd5611af1 100644
--- a/ui/include/classes/import/CImportReferencer.php
+++ b/ui/include/classes/import/CImportReferencer.php
@@ -1091,18 +1091,22 @@ class CImportReferencer {
 			}
 		}
 
-		$db_triggers = API::Trigger()->get([
-			'output' => ['uuid', 'description', 'expression', 'recovery_expression'],
-			'filter' => [
-				'uuid' => array_keys($uuids),
-				'flags' => [
-					ZBX_FLAG_DISCOVERY_NORMAL,
-					ZBX_FLAG_DISCOVERY_PROTOTYPE,
-					ZBX_FLAG_DISCOVERY_CREATED
-				]
-			],
-			'preservekeys' => true
-		]);
+		$db_triggers = [];
+
+		if ($uuids) {
+			$db_triggers = API::Trigger()->get([
+				'output' => ['uuid', 'description', 'expression', 'recovery_expression'],
+				'filter' => [
+					'uuid' => array_keys($uuids),
+					'flags' => [
+						ZBX_FLAG_DISCOVERY_NORMAL,
+						ZBX_FLAG_DISCOVERY_PROTOTYPE,
+						ZBX_FLAG_DISCOVERY_CREATED
+					]
+				],
+				'preservekeys' => true
+			]);
+		}
 
 		$db_triggers += API::Trigger()->get([
 			'output' => ['uuid', 'description', 'expression', 'recovery_expression'],