diff --git a/runtime/experiments/bimodal/install.sh b/runtime/experiments/bimodal/install.sh
index d5ec913..0cbcfe8 100755
--- a/runtime/experiments/bimodal/install.sh
+++ b/runtime/experiments/bimodal/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	HEY_URL=https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64
 	wget $HEY_URL -O hey
 	chmod +x hey
diff --git a/runtime/experiments/bimodal/run.sh b/runtime/experiments/bimodal/run.sh
index a046470..ce7b072 100755
--- a/runtime/experiments/bimodal/run.sh
+++ b/runtime/experiments/bimodal/run.sh
@@ -19,7 +19,7 @@ source get_result_count.sh || exit 1
 source panic.sh || exit 1
 source path_join.sh || exit 1
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	echo "hey is not present."
 	exit 1
 fi
diff --git a/runtime/experiments/concurrency/install.sh b/runtime/experiments/concurrency/install.sh
index d5ec913..0cbcfe8 100755
--- a/runtime/experiments/concurrency/install.sh
+++ b/runtime/experiments/concurrency/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	HEY_URL=https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64
 	wget $HEY_URL -O hey
 	chmod +x hey
diff --git a/runtime/experiments/concurrency/run.sh b/runtime/experiments/concurrency/run.sh
index 1f6b4ae..b745a70 100755
--- a/runtime/experiments/concurrency/run.sh
+++ b/runtime/experiments/concurrency/run.sh
@@ -15,7 +15,7 @@ source get_result_count.sh || exit 1
 source panic.sh || exit 1
 source path_join.sh || exit 1
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	echo "hey is not present."
 	exit 1
 fi
diff --git a/runtime/experiments/payload/install.sh b/runtime/experiments/payload/install.sh
index d5ec913..0cbcfe8 100755
--- a/runtime/experiments/payload/install.sh
+++ b/runtime/experiments/payload/install.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	HEY_URL=https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64
 	wget $HEY_URL -O hey
 	chmod +x hey
diff --git a/runtime/experiments/payload/run.sh b/runtime/experiments/payload/run.sh
index a389976..c4b31be 100755
--- a/runtime/experiments/payload/run.sh
+++ b/runtime/experiments/payload/run.sh
@@ -16,7 +16,7 @@ source "framework.sh" || exit 1
 source "get_result_count.sh" || exit 1
 source "generate_gnuplots.sh" || exit 1
 
-if ! command -v hey; then
+if ! command -v hey > /dev/null; then
 	echo "hey is not present."
 	exit 1
 fi