diff --git a/plugins/network/if1sec_ b/plugins/network/if1sec_
index 992e7547..6e5ad6d4 100755
--- a/plugins/network/if1sec_
+++ b/plugins/network/if1sec_
@@ -26,6 +26,7 @@ then
                 done | awk "{
                                 print \"${IFACE}_tx.value \" \$1 \":\" \$2;
                                 print \"${IFACE}_rx.value \" \$1 \":\" \$3;
+				system(\"\");
                         }" >> $cache
         ) &
         echo $! > $pidfile