diff --git a/testscript.sh b/testscript.sh
index 1f8cb9d77f7e360c0ece7e8700089df82c30b71c..ba8ef285645611e9fed8e8dd5363a9265f3f2581 100644
--- a/testscript.sh
+++ b/testscript.sh
@@ -8,9 +8,9 @@ workingdir=~/testscript/
 module load compiler/intel/19.0
 module load mpi/openmpi/4.0
 mpicc -o $(workingdir)helloworld $(workingdir)helloworld.c -no-multibyte-chars
-mpirun -n 1 $(workingdir)helloworld
+mpirun -n 1 helloworld
 echo "-------------------"
-mpirun -n 2 $(workingdir)helloworld
+mpirun -n 2 helloworld
 echo "------------------"
-mpirun -n 4 $(workingdir)helloworld
+mpirun -n 4 helloworld
 echo "--------------------"