diff --git a/crypto/bio/b_sock.c b/crypto/bio/b_sock.c
index 6d77b9d8d..dcaef68ea 100644
--- a/crypto/bio/b_sock.c
+++ b/crypto/bio/b_sock.c
@@ -72,9 +72,9 @@
 #endif
 
 #ifdef SO_MAXCONN
-#define MAX_LISTEN  SOMAXCONN
-#elif defined(SO_MAXCONN)
 #define MAX_LISTEN  SO_MAXCONN
+#elif defined(SOMAXCONN)
+#define MAX_LISTEN  SOMAXCONN
 #else
 #define MAX_LISTEN  32
 #endif