diff --git a/docs/apibuild.py b/docs/apibuild.py
index ab6b0b4f3992f83ca2c428462721b4c53dbff890..8e92ed34e7565f4ef3a70d984b67555b8a930c1c 100755
--- a/docs/apibuild.py
+++ b/docs/apibuild.py
@@ -1312,7 +1312,7 @@ class CParser:
         name = None
         self.comment = None
         comment = ""
-        value = "0"
+        value = "-1"
         while token is not None:
             if token[0] == "sep" and token[1] == "{":
                 token = self.token()