diff --git a/applypatch/applypatch.c b/applypatch/applypatch.c
index 69f8633..259fa58 100644
--- a/applypatch/applypatch.c
+++ b/applypatch/applypatch.c
@@ -101,7 +101,7 @@
         }
     }
 
-    SHA(file->data, file->size, file->sha1);
+    SHA_hash(file->data, file->size, file->sha1);
     return 0;
 }