diff --git a/tools/cooja/contiki_tests/RUN_ALL b/tools/cooja/contiki_tests/RUN_ALL
index 5869bdb8e..2dd3498a0 100644
--- a/tools/cooja/contiki_tests/RUN_ALL
+++ b/tools/cooja/contiki_tests/RUN_ALL
@@ -91,7 +91,7 @@ echo >> $LOG
 for myfile in ./*.csc
 do
   TEST=`basename $myfile .csc`
-  ./RUN_TEST $TEST $LOG
+  bash RUN_TEST $TEST $LOG
 done
 
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