diff --git a/cross/sqlite/Makefile b/cross/sqlite/Makefile
index 5b64750faea..346f25c83e2 100644
--- a/cross/sqlite/Makefile
+++ b/cross/sqlite/Makefile
@@ -14,5 +14,6 @@ LICENSE  = https://www.sqlite.org/copyright.html
 GNU_CONFIGURE = 1
 
 ADDITIONAL_CFLAGS = -DSQLITE_ENABLE_COLUMN_METADATA
+ADDITIONAL_CFLAGS += -DSQLITE_ENABLE_UNLOCK_NOTIFY
 
 include ../../mk/spksrc.cross-cc.mk