diff --git a/jsm.go b/jsm.go
index 3bc3535cb..4c13e895e 100644
--- a/jsm.go
+++ b/jsm.go
@@ -304,8 +304,8 @@ func (js *js) AccountInfo(opts ...JSOpt) (*AccountInfo, error) {
 	}
 	if info.Error != nil {
 		var err error
-		// Check based on error code instead of description match.
-		if info.Error.ErrorCode == ErrJetStreamNotEnabled.ErrorCode() {
+		// Internally checks based on error code instead of description match.
+		if errors.Is(info.Error, ErrJetStreamNotEnabled) {
 			err = ErrJetStreamNotEnabled
 		} else {
 			err = &jsAPIError{