diff --git a/src/capwap/Makefile b/src/capwap/Makefile
index 92270b0a..6b5c3f45 100644
--- a/src/capwap/Makefile
+++ b/src/capwap/Makefile
@@ -74,6 +74,7 @@ MAVLOBJS= \
 	mavl_get_node.o \
 	mavl_foreach.o \
 	mavl_foreach_lr.o \
+	mavl_merge.o \
 	utf8.o \
 	file.o