Index: test/kvtest.c
==================================================================
--- test/kvtest.c
+++ test/kvtest.c
@@ -308,11 +308,11 @@
     "BEGIN;\n"
     "CREATE TABLE kv(k INTEGER PRIMARY KEY, v BLOB);\n"
     "WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<%d)"
     " INSERT INTO kv(k,v) SELECT x, randomblob(%d+(random()%%(%d))) FROM c;\n"
     "COMMIT;\n",
-    pgsz, nCount, sz, iVariance
+    pgsz, nCount, sz, iVariance+1
   );
   rc = sqlite3_exec(db, zSql, 0, 0, &zErrMsg);
   if( rc ) fatalError("database create failed: %s", zErrMsg);
   sqlite3_free(zSql);
   sqlite3_close(db);