diff --git a/deltachat-ffi/deltachat.h b/deltachat-ffi/deltachat.h
index bccb269cc..08fb40897 100644
--- a/deltachat-ffi/deltachat.h
+++ b/deltachat-ffi/deltachat.h
@@ -5709,8 +5709,14 @@ int64_t         dc_lot_get_timestamp     (const dc_lot_t* lot);
 #define DC_CERTCK_STRICT 1
 
 /**
- * Accept invalid certificates, including self-signed ones
- * or having incorrect hostname.
+ * Accept certificates that are expired, self-signed
+ * or not valid for the server hostname.
+ */
+#define DC_CERTCK_ACCEPT_INVALID 2
+
+/**
+ * For API compatibility only: Treat this as DC_CERTCK_ACCEPT_INVALID on reading.
+ * Must not be written.
  */
 #define DC_CERTCK_ACCEPT_INVALID_CERTIFICATES 3
 
diff --git a/node/constants.js b/node/constants.js
index ea5343179..d087c4543 100644
--- a/node/constants.js
+++ b/node/constants.js
@@ -1,6 +1,7 @@
 // Generated!
 
 module.exports = {
+  DC_CERTCK_ACCEPT_INVALID: 2,
   DC_CERTCK_ACCEPT_INVALID_CERTIFICATES: 3,
   DC_CERTCK_AUTO: 0,
   DC_CERTCK_STRICT: 1,
diff --git a/node/lib/constants.ts b/node/lib/constants.ts
index ec0734ccc..6a2aaaaec 100644
--- a/node/lib/constants.ts
+++ b/node/lib/constants.ts
@@ -1,6 +1,7 @@
 // Generated!
 
 export enum C {
+  DC_CERTCK_ACCEPT_INVALID = 2,
   DC_CERTCK_ACCEPT_INVALID_CERTIFICATES = 3,
   DC_CERTCK_AUTO = 0,
   DC_CERTCK_STRICT = 1,