diff --git "a/ui/include/classes/import/converters/CImportDataNormalizer.php" "b/ui/include/classes/import/converters/CImportDataNormalizer.php"
index b0a57683de..30a50eb3d7 100644
--- "a/ui/include/classes/import/converters/CImportDataNormalizer.php"
+++ "b/ui/include/classes/import/converters/CImportDataNormalizer.php"
@@ -34,7 +34,7 @@ class CImportDataNormalizer {
 
 	public function normalize($data) {
 		$data['zabbix_export'] = $this->normalizeArrayKeys($data['zabbix_export'], $this->rules);
-		$data['zabbix_export'] = $this->normalizeStrings($data['zabbix_export']);
+		$data['zabbix_export'] = $this->normalizeStrings($data['zabbix_export'], $this->rules);
 
 		return $data;
 	}
@@ -80,13 +80,34 @@ class CImportDataNormalizer {
 	 * Add CR to string type fields.
 	 *
 	 * @param mixed $data   Import data.
+	 * @param array $rules  Schema rules.
 	 *
 	 * @return mixed
 	 */
-	protected function normalizeStrings($data) {
-		if ($this->rules['type'] & XML_STRING) {
+	protected function normalizeStrings($data, array $rules) {
+		if ($rules['type'] & XML_ARRAY) {
+			foreach ($rules['rules'] as $tag => $tag_rules) {
+				if (array_key_exists('ex_rules', $tag_rules)) {
+					$tag_rules = call_user_func($tag_rules['ex_rules'], $data);
+				}
+
+				if (array_key_exists($tag, $data)) {
+					$data[$tag] = $this->normalizeStrings($data[$tag], $tag_rules);
+				}
+			}
+		}
+		elseif ($rules['type'] & XML_INDEXED_ARRAY) {
+			$prefix = $rules['prefix'];
+
+			if (is_array($data)) {
+				foreach ($data as $tag => $value) {
+					$data[$tag] = $this->normalizeStrings($value, $rules['rules'][$prefix]);
+				}
+			}
+		}
+		elseif ($rules['type'] & XML_STRING) {
 			$data = str_replace("\r\n", "\n", $data);
-			$data = (array_key_exists('flags', $this->rules) && $this->rules['flags'] & self::EOL_LF)
+			$data = (array_key_exists('flags', $rules) && $rules['flags'] & self::EOL_LF)
 				? $data
 				: str_replace("\n", "\r\n", $data);
 		}