diff --git a/Makefile b/Makefile
index c79920b8715a1be91345dba749d27e34d438f6b5..397af5e57338bbb11720e9792360ca9e97abc933 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ SUBDIR+=	backward-ros
 SUBDIR+=	can-utils
 SUBDIR+=	cppad
 SUBDIR+=	cppadcodegen
+SUBDIR+=	curves
 SUBDIR+=	dptu-genom3
 SUBDIR+=	ddp-actuator-solver
 SUBDIR+=	dynamic-graph-tutorial