diff --git a/tests/integration/pipe-loopback-file.sh b/tests/integration/pipe-loopback-file.sh
index 6cec53f96..3361980bb 100755
--- a/tests/integration/pipe-loopback-file.sh
+++ b/tests/integration/pipe-loopback-file.sh
@@ -53,7 +53,7 @@ EOF
 villas-signal random -l ${NUM_SAMPLES} -n > ${INPUT_FILE}
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(cat ${INPUT_FILE}; sleep 0.5; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 # Comapre data
 villas-test-cmp ${INPUT_FILE} ${OUTPUT_FILE}
diff --git a/tests/integration/pipe-loopback-multicast.sh b/tests/integration/pipe-loopback-multicast.sh
index 8bea74593..91339e168 100755
--- a/tests/integration/pipe-loopback-multicast.sh
+++ b/tests/integration/pipe-loopback-multicast.sh
@@ -51,7 +51,7 @@ EOF
 villas-signal random -l ${NUM_SAMPLES} -n > ${INPUT_FILE}
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(sleep 0.5; cat ${INPUT_FILE}; sleep 0.5; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 # Comapre data
 villas-test-cmp ${INPUT_FILE} ${OUTPUT_FILE}
diff --git a/tests/integration/pipe-loopback-nanomsg.sh b/tests/integration/pipe-loopback-nanomsg.sh
index 6a8a17c49..c63be12d1 100755
--- a/tests/integration/pipe-loopback-nanomsg.sh
+++ b/tests/integration/pipe-loopback-nanomsg.sh
@@ -43,7 +43,7 @@ EOF
 villas-signal random -l ${NUM_SAMPLES} -n > ${INPUT_FILE}
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(sleep 0.5; cat ${INPUT_FILE}; sleep 0.5; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 cat ${INPUT_FILE}
 echo
diff --git a/tests/integration/pipe-loopback-shmem.sh b/tests/integration/pipe-loopback-shmem.sh
index 3219af374..c0a72d3c5 100755
--- a/tests/integration/pipe-loopback-shmem.sh
+++ b/tests/integration/pipe-loopback-shmem.sh
@@ -49,7 +49,7 @@ EOF
 villas-signal random -l ${NUM_SAMPLES} -n > ${INPUT_FILE}
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(cat ${INPUT_FILE}; sleep 1; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 # Comapre data
 villas-test-cmp ${INPUT_FILE} ${OUTPUT_FILE}
diff --git a/tests/integration/pipe-loopback-socket.sh b/tests/integration/pipe-loopback-socket.sh
index bdd17a6c1..2df6c163f 100755
--- a/tests/integration/pipe-loopback-socket.sh
+++ b/tests/integration/pipe-loopback-socket.sh
@@ -74,7 +74,7 @@ nodes = {
 EOF
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(cat ${INPUT_FILE}; sleep 1; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 # Compare data
 villas-test-cmp ${INPUT_FILE} ${OUTPUT_FILE}
diff --git a/tests/integration/pipe-loopback-zeromq.sh b/tests/integration/pipe-loopback-zeromq.sh
index 1d1bf7558..448077ae7 100755
--- a/tests/integration/pipe-loopback-zeromq.sh
+++ b/tests/integration/pipe-loopback-zeromq.sh
@@ -44,7 +44,7 @@ EOF
 villas-signal random -l ${NUM_SAMPLES} -n > ${INPUT_FILE}
 
 # We delay EOF of the INPUT_FILE by 1 second in order to wait for incoming data to be received
-villas-pipe ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < <(sleep 0.5; cat ${INPUT_FILE}; sleep 0.5; echo -n)
+villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} node1 > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 # Comapre data
 villas-test-cmp ${INPUT_FILE} ${OUTPUT_FILE}