diff --git a/drivers/ntb/Makefile b/drivers/ntb/Makefile
index 1921dec1949d..537226f8e78d 100644
--- a/drivers/ntb/Makefile
+++ b/drivers/ntb/Makefile
@@ -1,2 +1,4 @@
 obj-$(CONFIG_NTB) += ntb.o hw/ test/
 obj-$(CONFIG_NTB_TRANSPORT) += ntb_transport.o
+
+ntb-y := core.o
diff --git a/drivers/ntb/ntb.c b/drivers/ntb/core.c
similarity index 100%
rename from drivers/ntb/ntb.c
rename to drivers/ntb/core.c