diff --git a/lib/utils/libfdt/libfdt_env.h b/lib/utils/libfdt/libfdt_env.h
index 7fcfe015..bc3e7588 100644
--- a/lib/utils/libfdt/libfdt_env.h
+++ b/lib/utils/libfdt/libfdt_env.h
@@ -32,6 +32,7 @@
 #define strrchr		sbi_strrchr
 #define strcpy		sbi_strcpy
 #define strcmp		sbi_strcmp
+#define strncmp		sbi_strncmp
 #define strlen		sbi_strlen
 #define strnlen		sbi_strnlen