diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 3952b6b73..5ca917119 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -2024,7 +2024,7 @@ void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher)
     if (dh_dsa_export)
         emask_k |= SSL_kDHd;
 
-    if (emask_k & (SSL_kDHr | SSL_kDHd))
+    if (mask_k & (SSL_kDHr | SSL_kDHd))
         mask_a |= SSL_aDH;
 
     if (rsa_enc || rsa_sign) {