diff --git a/src/sha256.c b/src/sha256.c
index 3379620..0b931a8 100644
--- a/src/sha256.c
+++ b/src/sha256.c
@@ -241,7 +241,7 @@
     void
 sha256_finish(ctx, digest)
     context_sha256_T *ctx;
-    char_u           digest[32];
+    char_u	     digest[32];
 {
     UINT32_T last, padn;
     UINT32_T high, low;