diff --git a/library/pkcs12.c b/library/pkcs12.c
index 2f76618..2e6ed7e 100644
--- a/library/pkcs12.c
+++ b/library/pkcs12.c
@@ -290,7 +290,7 @@
 
     unsigned char diversifier[128];
     unsigned char salt_block[128], pwd_block[128], hash_block[128] = { 0 };
-    unsigned char hash_output[MBEDTLS_HASH_MAX_SIZE];
+    unsigned char hash_output[MBEDTLS_MD_MAX_SIZE];
     unsigned char *p;
     unsigned char c;
     int           use_password = 0;