diff --git a/tests/test_monitor.py b/tests/test_monitor.py
new file mode 100644
index 0000000..4fd723e
--- /dev/null
+++ b/tests/test_monitor.py
@@ -0,0 +1,10 @@
+from xrandroll.monitor import Monitor
+
+
+def test_parse_pos():
+    data = [
+        "eDP connected primary 1920x1080+0+1080 (0x56) normal (normal left inverted right x axis y axis) 309mm x 173mm"
+    ]
+    m = Monitor(data)
+    assert m.pos_x == 0
+    assert m.pos_y == 1080
diff --git a/xrandroll/monitor.py b/xrandroll/monitor.py
index b573a6e..a107b6b 100644
--- a/xrandroll/monitor.py
+++ b/xrandroll/monitor.py
@@ -67,7 +67,11 @@ class Monitor:
         self.output = parse.search("{}{:s}", self.header)[0]
 
         modes_data = _split_by_lines_matching("^  [^ ]", data)
-        fields_data = _split_by_lines_matching(r"^\t[^ ]", modes_data.pop(0))
+
+        if modes_data:
+            fields_data = _split_by_lines_matching(r"^\t[^ ]", modes_data.pop(0))
+        else:
+            fields_data = []
 
         self.modes = {}
         for m in (Mode(d) for d in modes_data):