1 files changed, 5 insertions, 2 deletions

diff --git a/src/connection.cpp b/src/connection.cpp
index 748d56d..bf687ec 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -292,8 +292,11 @@ bool Connection::readInput( int nSec, int nUSec, int *pnSecBack, int *pnUSecBack
                 st = ust = 0;
         }
 
-        *pnSecBack = st;
-        *pnUSecBack = ust;
+        if( pnSecBack )
+        {
+                *pnSecBack = st;
+                *pnUSecBack = ust;
+        }
 
         //printf("New time:  %d %d\n", *pnSecBack, *pnUSecBack );