diff --git a/arch/riscv/dts/ae350_32.dts b/arch/riscv/dts/ae350_32.dts
index ef110c54ae..b90351e87b 100644
--- a/arch/riscv/dts/ae350_32.dts
+++ b/arch/riscv/dts/ae350_32.dts
@@ -16,7 +16,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,38400n8  debug loglevel=7";
+		bootargs = "console=ttyS0,38400n8 debug loglevel=7";
 		stdout-path = "uart0:38400n8";
 	};
 
diff --git a/arch/riscv/dts/ae350_64.dts b/arch/riscv/dts/ae350_64.dts
index 6abf42e904..27ac21c716 100644
--- a/arch/riscv/dts/ae350_64.dts
+++ b/arch/riscv/dts/ae350_64.dts
@@ -16,7 +16,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,38400n8  debug loglevel=7";
+		bootargs = "console=ttyS0,38400n8 debug loglevel=7";
 		stdout-path = "uart0:38400n8";
 	};