diff --git a/payloads/libpayload/crypto/sha1.c b/payloads/libpayload/crypto/sha1.c
index 615ed72..721d1a4 100644
--- a/payloads/libpayload/crypto/sha1.c
+++ b/payloads/libpayload/crypto/sha1.c
@@ -30,7 +30,7 @@
 
 /* Moved from libpayload.h */
 
-#ifdef CONFIG_LP_LITTLE_ENDIAN
+#if IS_ENABLED(CONFIG_LP_LITTLE_ENDIAN)
 #define BYTE_ORDER      LITTLE_ENDIAN
 #else
 #define BYTE_ORDER      BIG_ENDIAN