diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index 759df93697..5d93e6a7e5 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -24,7 +24,7 @@
 #define MASTER_PRES_MASK	0x7
 #define MASTER_PRES_MAX		MASTER_PRES_MASK
 #define MASTER_DIV_SHIFT	8
-#define MASTER_DIV_MASK		0x3
+#define MASTER_DIV_MASK		0x7
 
 #define PMC_MCR			0x30
 #define PMC_MCR_ID_MSK		GENMASK(3, 0)
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index a6a714fd22..f07f535e49 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -30,7 +30,7 @@ extern const struct clk_master_layout at91sam9x5_master_layout;
 
 struct clk_master_characteristics {
 	struct clk_range output;
-	u32 divisors[4];
+	u32 divisors[5];
 	u8 have_div3_pres;
 };