diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/serial.c
index 3749811..4631519 100644
--- a/cpu/ppc4xx/serial.c
+++ b/cpu/ppc4xx/serial.c
@@ -635,7 +635,7 @@
 
 	tmp = gd->baudrate * udiv * 16;
 	bdiv = (clk + tmp / 2) / tmp;
-#endif /* !defined(CFG_EXT_SERIAL_CLOCK) && (...) */ 
+#endif /* !defined(CFG_EXT_SERIAL_CLOCK) && (...) */
 
 #if defined(CONFIG_SERIAL_MULTI)
 	out8 (dev_base + UART_LCR, 0x80);	/* set DLAB bit */
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 0a6f81d..699fa7f 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -159,7 +159,7 @@
 	| Core bug fix.  Clear the esr
 	+-----------------------------------------------------------------*/
 	li	r0,0
-        mtspr	esr,r0
+	mtspr	esr,r0
 	/*----------------------------------------------------------------*/
 	/* Clear and set up some registers. */
 	/*----------------------------------------------------------------*/