diff --git a/fdts/stm32mp157c-ed1.dts b/fdts/stm32mp157c-ed1.dts
index d7bcc84..f5cc936 100644
--- a/fdts/stm32mp157c-ed1.dts
+++ b/fdts/stm32mp157c-ed1.dts
@@ -247,7 +247,7 @@
 		CLK_SAI2_PLL3Q
 		CLK_SAI3_PLL3Q
 		CLK_SAI4_PLL3Q
-		CLK_RNG1_LSI
+		CLK_RNG1_CSI
 		CLK_RNG2_LSI
 		CLK_LPTIM1_PCLK1
 		CLK_LPTIM23_PCLK3