diff --git a/cpu/nios/start.S b/cpu/nios/start.S
index cb1af3c..9e73941 100644
--- a/cpu/nios/start.S
+++ b/cpu/nios/start.S
@@ -208,7 +208,7 @@
  * A control register that counts system clock cycles would be
  * a handy feature -- hint for Altera ;-)
  */
- 	.globl dly_clks
+	.globl dly_clks
 	/* Each loop is 4 instructions as delay slot is always
 	 * executed. Each instruction is approximately 4 clocks
 	 * (according to some lame info from Altera). So ...