diff --git a/crypto/des/read2pwd.c b/crypto/des/read2pwd.c
index 3a63c4016c..ee6969f76e 100644
--- a/crypto/des/read2pwd.c
+++ b/crypto/des/read2pwd.c
@@ -112,6 +112,7 @@
 #include <string.h>
 #include <openssl/des.h>
 #include <openssl/ui.h>
+#include <openssl/crypto.h>
 
 int DES_read_password(DES_cblock *key, const char *prompt, int verify)
 	{
diff --git a/crypto/des/str2key.c b/crypto/des/str2key.c
index 0373db469c..9c2054bda6 100644
--- a/crypto/des/str2key.c
+++ b/crypto/des/str2key.c
@@ -57,6 +57,7 @@
  */
 
 #include "des_locl.h"
+#include <openssl/crypto.h>
 
 void DES_string_to_key(const char *str, DES_cblock *key)
 	{