diff --git a/lib/sha256.c b/lib/sha256.c
index 3212bab..b1085ea 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -8,9 +8,11 @@
 
 #ifndef USE_HOSTCC
 #include <common.h>
+#include <linux/string.h>
+#else
+#include <string.h>
 #endif /* USE_HOSTCC */
 #include <watchdog.h>
-#include <linux/string.h>
 #include <sha256.h>
 
 /*