diff --git a/tools/cooja/contiki_tests/netperf-sky.csc b/tools/cooja/contiki_tests/netperf-sky.csc
index a4c2ccfbc..4415ffef4 100644
--- a/tools/cooja/contiki_tests/netperf-sky.csc
+++ b/tools/cooja/contiki_tests/netperf-sky.csc
@@ -125,7 +125,7 @@ while(true) {
     log.testFailed();
   }
   if(id == 1 && msg.startsWith("1.0: Contiki") && started == 0) {
-    write(mote, "netperf -bups 2.0 20\n"); /* Write to mote serial port */
+    write(mote, "netperf -bps 2.0 20\n"); /* Write to mote serial port */
     started = 1;
   }
 }