diff --git a/tests/integration/pipe-loopback-nanomsg.sh b/tests/integration/pipe-loopback-nanomsg.sh
index 78efe0e94..555ce2eb8 100755
--- a/tests/integration/pipe-loopback-nanomsg.sh
+++ b/tests/integration/pipe-loopback-nanomsg.sh
@@ -26,7 +26,7 @@ CONFIG_FILE=$(mktemp)
 INPUT_FILE=$(mktemp)
 OUTPUT_FILE=$(mktemp)
 
-cat > ${CONFIG_FILE} <<- EOF
+cat > ${CONFIG_FILE} << EOF
 nodes = {
 	node1 = {
 		type = "nanomsg";
diff --git a/tests/integration/pipe-loopback-zeromq.sh b/tests/integration/pipe-loopback-zeromq.sh
index d2301b18c..594b060bf 100755
--- a/tests/integration/pipe-loopback-zeromq.sh
+++ b/tests/integration/pipe-loopback-zeromq.sh
@@ -26,7 +26,7 @@ CONFIG_FILE=$(mktemp)
 INPUT_FILE=$(mktemp)
 OUTPUT_FILE=$(mktemp)
 
-cat > ${CONFIG_FILE} <<- EOF
+cat > ${CONFIG_FILE} << EOF
 nodes = {
 	node1 = {
 		type = "zeromq";