diff --git a/common/os_calls.c b/common/os_calls.c
index ad7074a6..6b55f2f7 100644
--- a/common/os_calls.c
+++ b/common/os_calls.c
@@ -352,6 +352,10 @@ g_tcp_set_no_delay(int sck)
       {
         ret = 0; /* success */
       }
+      else
+      {
+        g_writeln("Error setting tcp_nodelay");
+      }
     }
   }
   else
@@ -389,6 +393,10 @@ g_tcp_set_keepalive(int sck)
       {
         ret = 0; /* success */
       }
+      else
+      {
+        g_writeln("Error setting tcp_keepalive");
+      }
     }
   }
   else