diff --git a/tool/net/BUILD.mk b/tool/net/BUILD.mk
index 52d55f7ec..06a80d5f8 100644
--- a/tool/net/BUILD.mk
+++ b/tool/net/BUILD.mk
@@ -117,7 +117,8 @@ o/$(MODE)/tool/net/redbean.dbg:						\
 
 o/$(MODE)/tool/net/lsqlite3.o: private					\
 		CFLAGS +=						\
-			-DSQLITE_ENABLE_SESSION
+			-DSQLITE_ENABLE_SESSION				\
+			-DSQLITE_ENABLE_DESERIALIZE
 
 # REDBEAN-DEMO
 #