diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 95ea8cea0d..94dd796c98 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -98,8 +98,9 @@ check_function_exists("sysconf"          HAVE_SYSCONF)
 
 #Struct members
 include(CheckStructHasMember)
-check_struct_has_member("struct stat" st_flags sys/stat.h HAVE_ST_FLAGS)
-check_struct_has_member("struct tm"   tm_zone  time.h     HAVE_TM_ZONE)
+check_struct_has_member("struct sockaddr" sa_len   sys/socket.h HAVE_SA_LEN)
+check_struct_has_member("struct stat"     st_flags sys/stat.h   HAVE_ST_FLAGS)
+check_struct_has_member("struct tm"       tm_zone  time.h       HAVE_TM_ZONE)
 
 #Symbols but NOT enums or types
 include(CheckSymbolExists)