1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index d6cd9a5355..7cf6820013 100644
--- a/Makefile
+++ b/Makefile
@@ -850,6 +850,7 @@ LIB_OBJS += csum-file.o
 LIB_OBJS += ctype.o
 LIB_OBJS += date.o
 LIB_OBJS += decorate.o
+LIB_OBJS += delta-islands.o
 LIB_OBJS += diffcore-break.o
 LIB_OBJS += diffcore-delta.o
 LIB_OBJS += diffcore-order.o