diff --git a/programs/aes/aescrypt2.c b/programs/aes/aescrypt2.c
index 8242ea7..048028d 100644
--- a/programs/aes/aescrypt2.c
+++ b/programs/aes/aescrypt2.c
@@ -96,7 +96,7 @@
     unsigned char IV[16];
     unsigned char tmp[16];
     unsigned char key[512];
-    unsigned char digest[32];
+    unsigned char digest[64];
     unsigned char buffer[1024];
     unsigned char diff;