Index: ext/repair/sqlite3_checker.c.in
==================================================================
--- ext/repair/sqlite3_checker.c.in
+++ ext/repair/sqlite3_checker.c.in
@@ -2,10 +2,11 @@
 ** Read an SQLite database file and analyze its space utilization.  Generate
 ** text on standard output.
 */
 #define TCLSH_INIT_PROC sqlite3_checker_init_proc
 #define SQLITE_ENABLE_DBPAGE_VTAB 1
+#define SQLITE_ENABLE_JSON1 1
 #undef SQLITE_THREADSAFE
 #define SQLITE_THREADSAFE 0
 #undef SQLITE_ENABLE_COLUMN_METADATA
 #define SQLITE_OMIT_DECLTYPE 1
 #define SQLITE_OMIT_DEPRECATED 1