diff --git a/os/connection.c b/os/connection.c
index 3b5742c2b..8b6541ce6 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -353,7 +353,8 @@ InitConnectionLimits(void)
 #endif
 
 #if !defined(WIN32)
-    ConnectionTranslation = (int *)xnfalloc(sizeof(int)*(lastfdesc + 1));
+    if (!ConnectionTranslation)
+        ConnectionTranslation = (int *)xnfalloc(sizeof(int)*(lastfdesc + 1));
 #else
     InitConnectionTranslation();
 #endif