diff --git a/contrib/sqlite3/sqlite3.c b/contrib/sqlite3/sqlite3.c
index a8922e482839..8a80dcd0c936 100644
--- a/contrib/sqlite3/sqlite3.c
+++ b/contrib/sqlite3/sqlite3.c
@@ -49487,9 +49487,9 @@ static void walIndexWriteHdr(Wal *pWal){
   pWal->hdr.isInit = 1;
   pWal->hdr.iVersion = WALINDEX_MAX_VERSION;
   walChecksumBytes(1, (u8*)&pWal->hdr, nCksum, 0, pWal->hdr.aCksum);
-  memcpy((void *)&aHdr[1], (void *)&pWal->hdr, sizeof(WalIndexHdr));
+  memcpy((void *)&aHdr[1], (const void *)&pWal->hdr, sizeof(WalIndexHdr));
   walShmBarrier(pWal);
-  memcpy((void *)&aHdr[0], (void *)&pWal->hdr, sizeof(WalIndexHdr));
+  memcpy((void *)&aHdr[0], (const void *)&pWal->hdr, sizeof(WalIndexHdr));
 }
 
 /*