diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 1a45bf3..37dfd28 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -38,5 +38,6 @@
 obj-$(CONFIG_MACH_PIC32) += clk_pic32.o
 obj-$(CONFIG_SANDBOX) += clk_sandbox.o
 obj-$(CONFIG_SANDBOX) += clk_sandbox_test.o
+obj-$(CONFIG_SANDBOX_CLK_CCF) += clk_sandbox_ccf.o
 obj-$(CONFIG_STM32H7) += clk_stm32h7.o
 obj-$(CONFIG_CLK_TI_SCI) += clk-ti-sci.o