diff --git a/lib/Makefile b/lib/Makefile
index dace162..d71aae1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -119,7 +119,7 @@
 obj-$(CONFIG_DQL) += dynamic_queue_limits.o
 
 obj-$(CONFIG_MPILIB) += mpi/
-obj-$(CONFIG_DIGSIG) += digsig.o
+obj-$(CONFIG_SIGNATURE) += digsig.o
 
 hostprogs-y	:= gen_crc32table
 clean-files	:= crc32table.h