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-rw-r--r--src/src/tls-openssl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/src/tls-openssl.c b/src/src/tls-openssl.c
index 9944a8f60..3ecb6cb3f 100644
--- a/src/src/tls-openssl.c
+++ b/src/src/tls-openssl.c
@@ -2751,6 +2751,9 @@ result = 0L;
#ifdef SSL_OP_NO_SSLv2
result |= SSL_OP_NO_SSLv2;
#endif
+#ifdef SSL_OP_SINGLE_DH_USE
+result |= SSL_OP_SINGLE_DH_USE;
+#endif
if (option_spec == NULL)
{