diff --git a/liesl/files/labrecorder/cli_wrapper.py b/liesl/files/labrecorder/cli_wrapper.py
index 9f79530..cfe8209 100644
--- a/liesl/files/labrecorder/cli_wrapper.py
+++ b/liesl/files/labrecorder/cli_wrapper.py
@@ -103,36 +103,22 @@ def start_recording(
         filename = Run(filename)
         filename.parent.mkdir(exist_ok=True, parents=True)
 
-        if "win" in sys.platform:
-            # start encoding the command
-            streams = []
-            for idx, uid in enumerate(self.streamargs):
-                stream = '"'
-                prt = f"source_id='{uid}'"
-                stream += prt
-                stream += '"'
-                streams.append(stream)
-
-            cmd = " ".join((str(self.cmd), str(filename), *streams))
-            # print(cmd)
-            # start the recording process
+        # start encoding the command
+        streams = []
+        for idx, uid in enumerate(self.streamargs):
+            stream = '"'
+            prt = f"source_id='{uid}'"
+            stream += prt
+            stream += '"'
+            streams.append(stream)
+
+        cmd = " ".join((str(self.cmd), str(filename), *streams))
 
+        if "win" in sys.platform:
             self.process = Popen(
                 cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE, bufsize=1,
             )
         else:  # linux
-            streams = []
-            for idx, uid in enumerate(self.streamargs):
-                stream = '"'
-                prt = f"source_id='{uid}'"
-                stream += prt
-                stream += '"'
-                streams.append(stream)
-            cmd = [str(self.cmd), str(filename), *streams]
-            cmd = " ".join((str(self.cmd), str(filename)))
-            for s in streams:
-                cmd += f" {s}"
-            print(cmd)
             self.process = Popen(
                 cmd,
                 stdin=PIPE,
diff --git a/requirements.txt b/requirements.txt
index ea3cae4..5bef72c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pylsl
-pyxdf
+pylsl==1.14
+pyxdf==1.16.3
 numpy
\ No newline at end of file
diff --git a/setup.py b/setup.py
index a04e4ad..34fe82d 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name="liesl",
-    version="0.3.4.7",
+    version="0.3.4.8",
     description="Toolbox to receive and process LSL streams and handle XDF files.",
     long_description=long_description,
     long_description_content_type="text/markdown",
diff --git a/tests/cli/test_cli.py b/tests/cli/test_cli.py
index 2805991..12650c4 100644
--- a/tests/cli/test_cli.py
+++ b/tests/cli/test_cli.py
@@ -21,9 +21,10 @@ def test_cli_xdf(xdf_file):
         stderr=PIPE,
     )
     o, e = p.communicate()
-    assert f"Loading {xdf_file}" in o.decode()
-    assert "Liesl-Mock-EEG" in o.decode()
-    assert "Liesl-Mock-Marker" in o.decode()
+    out = o.decode()
+    assert f"Loading {xdf_file}" in out
+    assert "Liesl-Mock-EEG" in out
+    assert "Liesl-Mock-Marker" in out
 
 
 @pytest.mark.skipif(