diff --git a/arch/mips/mm/cex-sb1.S b/arch/mips/mm/cex-sb1.S
index 0e71580774fff3673401f7b73e371af5dd123721..e54a62f2807c93754e9c4b05d97442b812d5d626 100644
--- a/arch/mips/mm/cex-sb1.S
+++ b/arch/mips/mm/cex-sb1.S
@@ -64,7 +64,7 @@ LEAF(except_vec2_sb1)
 	sd	k0,0x170($0)
 	sd	k1,0x178($0)
 
-#if CONFIG_SB1_CEX_ALWAYS_FATAL
+#ifdef CONFIG_SB1_CEX_ALWAYS_FATAL
 	j	handle_vec2_sb1
 	 nop
 #else