diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index 4413b6e04a8e..55873d4b7603 100644
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -375,6 +375,7 @@ static void __init st_of_flexgen_setup(struct device_node *np)
 			break;
 		}
 
+		flex_flags &= ~CLK_IS_CRITICAL;
 		of_clk_detect_critical(np, i, &flex_flags);
 
 		/*