diff --git a/arch/powerpc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c
index 203fd48..f311e2c 100644
--- a/arch/powerpc/math-emu/fmsub.c
+++ b/arch/powerpc/math-emu/fmsub.c
@@ -16,7 +16,7 @@
 	int ret = 0;
 
 #ifdef DEBUG
-	printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC);
+	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
 #endif
 
 	__FP_UNPACK_D(A, frA);