diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index c03ad16..58533de 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -506,7 +506,7 @@
 	while (--n && (command)) \
 		udelay(1); \
 	if (!n && (verbose || !quiet)) \
-		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
+		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
 }
 
 #ifdef CONFIG_ACPI