diff --git a/src/meta/.phpstorm.meta.php b/src/meta/.phpstorm.meta.php
index 61c4eac..d5a1043 100755
--- a/src/meta/.phpstorm.meta.php
+++ b/src/meta/.phpstorm.meta.php
@@ -39,4 +39,9 @@ namespace PHPSTORM_META {
 		| CERTIFICATE_FIND_TIME_NOT_YET_VALID | CERTIFICATE_FIND_TIME_EXPIRED
 		| CERTIFICATE_FIND_KEY_USAGE
 	);
+
+	expectedArguments(
+		\CPCertificate::Export, 0,
+		ENCODE_ANY | ENCODE_BASE64 | ENCODE_BINARY
+	);
 }