diff --git a/arch/mips/mach-ath79/qca953x/clk.c b/arch/mips/mach-ath79/qca953x/clk.c
index 7447ade..d450ad8 100644
--- a/arch/mips/mach-ath79/qca953x/clk.c
+++ b/arch/mips/mach-ath79/qca953x/clk.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <clock_legacy.h>
 #include <asm/io.h>
 #include <asm/addrspace.h>
 #include <asm/types.h>