diff --git a/core/drivers/clk/sam/clk-sam9x60-pll.c b/core/drivers/clk/sam/clk-sam9x60-pll.c
index f7853d06495..e3e79ce209e 100644
--- a/core/drivers/clk/sam/clk-sam9x60-pll.c
+++ b/core/drivers/clk/sam/clk-sam9x60-pll.c
@@ -62,7 +62,7 @@ struct sam9x60_div {
 		uint32_t __timeout = 0; \
 		uint32_t _c = 0; \
 		\
-		while (__timeout++ < 500) { \
+		while (__timeout++ < 1000) { \
 			_c = io_read32((_base) + AT91_PMC_PLL_ISR0) & \
 				BIT(_id); \
 			if (_c) \