1 files changed, 1 insertions, 1 deletions
diff --git a/src/reader.h b/src/reader.h
index 23d38009..ecf420f4 100644
--- a/src/reader.h
+++ b/src/reader.h
@@ -51,7 +51,7 @@ struct SerdReaderImpl {
   SerdReaderFlags flags;
   unsigned        next_id;
   uint8_t*        buf;
-  char*           bprefix;
+  char            bprefix[24];
   size_t          bprefix_len;
   bool            strict; ///< True iff strict parsing
   bool            seen_genid;