diff --git a/dep/ACE_wrappers/ace/OS_NS_netdb.inl b/dep/ACE_wrappers/ace/OS_NS_netdb.inl
index f1d0009ee..58ebc0c1f 100644
--- a/dep/ACE_wrappers/ace/OS_NS_netdb.inl
+++ b/dep/ACE_wrappers/ace/OS_NS_netdb.inl
@@ -125,7 +125,7 @@ ACE_OS::gethostbyaddr_r (const char *addr,
       *h_errnop = h_errno;
       return (struct hostent *) 0;
     }
-#   elif defined (__GLIBC__)
+#   elif defined (__GLIBC__) || defined (__FreeBSD__)
   // GNU C library has a different signature
   ACE_OS::memset (buffer, 0, sizeof (ACE_HOSTENT_DATA));
 
@@ -318,7 +318,7 @@ ACE_OS::gethostbyname_r (const char *name,
       *h_errnop = h_errno;
       return (struct hostent *) 0;
     }
-#   elif defined (__GLIBC__)
+#   elif defined (__GLIBC__) || defined (__FreeBSD__)
   // GNU C library has a different signature
   ACE_OS::memset (buffer, 0, sizeof (ACE_HOSTENT_DATA));
 
@@ -528,7 +528,7 @@ ACE_OS::getprotobyname_r (const char *name,
   else
     return 0;
   //FUZZ: enable check_for_lack_ACE_OS
-# elif defined (__GLIBC__)
+# elif defined (__GLIBC__) || defined (__FreeBSD__)
   // GNU C library has a different signature
   //FUZZ: disable check_for_lack_ACE_OS
   if (::getprotobyname_r (name,
@@ -609,7 +609,7 @@ ACE_OS::getprotobynumber_r (int proto,
   //FUZZ: enable check_for_lack_ACE_OS
   else
     return 0;
-# elif defined (__GLIBC__)
+# elif defined (__GLIBC__) || defined (__FreeBSD__)
   // GNU C library has a different signature
   //FUZZ: disable check_for_lack_ACE_OS
   if (::getprotobynumber_r (proto,
@@ -695,7 +695,7 @@ ACE_OS::getservbyname_r (const char *svc,
   //FUZZ: enable check_for_lack_ACE_OS
   else
     return (struct servent *) 0;
-# elif defined (__GLIBC__)
+# elif defined (__GLIBC__) || defined (__FreeBSD__)
   // GNU C library has a different signature
   ACE_OS::memset (buf, 0, sizeof (ACE_SERVENT_DATA));
 
diff --git a/dep/ACE_wrappers/ace/os_include/os_signal.h b/dep/ACE_wrappers/ace/os_include/os_signal.h
index fdfd21e99..957450601 100644
--- a/dep/ACE_wrappers/ace/os_include/os_signal.h
+++ b/dep/ACE_wrappers/ace/os_include/os_signal.h
@@ -25,6 +25,7 @@
 #endif /* ACE_LACKS_PRAGMA_ONCE */
 
 #include "ace/os_include/sys/os_types.h"
+#include "ace/os_include/os_pthread.h"
 
 #if !defined (ACE_LACKS_SIGNAL_H)
    extern "C" {