diff --git a/DRAMSys/gem5/gem5_se/run.sh b/DRAMSys/gem5/gem5_se/run.sh
index aba952f7..f9ca89e9 100755
--- a/DRAMSys/gem5/gem5_se/run.sh
+++ b/DRAMSys/gem5/gem5_se/run.sh
@@ -52,6 +52,7 @@ Treesort
 
 basedir="../../.."
 sfpath="../../DRAMSys/library/resources/simulations"
+elf="DRAMSys_gem5"
 
 if [[ -z "${GEM5}" ]]; then
 	echo "GEM5 environment variable is undefined"
@@ -70,6 +71,12 @@ proj_build() {
 proj_build
 
 cd gem5
+
+if [ ! -f ${elf} ]; then
+	echo "${elf} could not be found"
+	exit 1
+fi
+
 for s in $simfiles; do
 	sf="${sfpath}/${s}"
 	sfn="${s%.*}"
@@ -78,7 +85,7 @@ for s in $simfiles; do
 		`sed -i s/id=\".*\"/id=\"${sfn}_${bin}\"/g $sf`
 		simulation="${sfpath}/${sfn}_${bin}.${ext}"
 		cp $sf $simulation
-		./DRAMSys_gem5 ${simulation} ../../DRAMSys/gem5/gem5_se/${bin}/config.ini >> out_${bin}.txt &
+		./${elf} ${simulation} ../../DRAMSys/gem5/gem5_se/${bin}/config.ini >> out_${bin}.txt &
 	done
 done