diff --git a/pyproject.toml b/pyproject.toml
index 5841189..30ac101 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,8 +61,6 @@ testpaths = "tests"
 addopts = "--cov -v"
 filterwarnings = 'ignore:datetime.datetime.utcfromtimestamp\(\) is deprecated:DeprecationWarning'  # 3rd party
 
-
-
 [tool.box]
 builder = "rye"
 app_entry = "rimsschemedrawer.app:run_gui"
diff --git a/tests/data/draw_last_false.json b/tests/data/draw_last_false.json
new file mode 100644
index 0000000..ccdce3c
--- /dev/null
+++ b/tests/data/draw_last_false.json
@@ -0,0 +1,67 @@
+{
+    "scheme": {
+        "element": "Fe",
+        "gs_level": "0.0",
+        "gs_term": "5D4",
+        "ip_term": "",
+        "lasers": "Ti:Sa",
+        "last_step_to_ip": true,
+        "step_forbidden0": false,
+        "step_forbidden1": false,
+        "step_forbidden2": false,
+        "step_forbidden3": false,
+        "step_forbidden4": false,
+        "step_forbidden5": false,
+        "step_forbidden6": false,
+        "step_level0": "26140.196",
+        "step_level1": "50530.829",
+        "step_level2": "64126.024",
+        "step_level3": "",
+        "step_level4": "",
+        "step_level5": "",
+        "step_level6": "",
+        "step_lowlying0": false,
+        "step_lowlying1": false,
+        "step_lowlying2": false,
+        "step_lowlying3": false,
+        "step_lowlying4": false,
+        "step_lowlying5": false,
+        "step_lowlying6": false,
+        "step_term0": "5D3",
+        "step_term1": "5D3",
+        "step_term2": "",
+        "step_term3": "",
+        "step_term4": "",
+        "step_term5": "",
+        "step_term6": "",
+        "trans_strength0": "",
+        "trans_strength1": "",
+        "trans_strength2": "",
+        "trans_strength3": "",
+        "trans_strength4": "",
+        "trans_strength5": "",
+        "trans_strength6": "",
+        "unit": "cm<sup>-1</sup>"
+    },
+    "settings": {
+        "arrow_head_width": "0.6",
+        "arrow_width": "0.2",
+        "fig_height": "8.0",
+        "fig_width": "5.0",
+        "fs_axes": "11.0",
+        "fs_axes_labels": "11.0",
+        "fs_labels": "11.0",
+        "fs_title": "14.0",
+        "headspace": "2500.0",
+        "ip_label_pos": "Bottom",
+        "line_breaks": true,
+        "plot_style": "light",
+        "plot_title": "",
+        "prec_level": "0",
+        "prec_wavelength": "3",
+        "show_cm-1_axis": true,
+        "show_eV_axis": true,
+        "show_forbidden_transitions": "x-out",
+        "show_transition_strength": true
+    }
+}
diff --git a/tests/data/draw_last_true.json b/tests/data/draw_last_true.json
new file mode 100644
index 0000000..50fb10d
--- /dev/null
+++ b/tests/data/draw_last_true.json
@@ -0,0 +1,67 @@
+{
+    "scheme": {
+        "element": "Fe",
+        "gs_level": "0.0",
+        "gs_term": "5D4",
+        "ip_term": "",
+        "lasers": "Ti:Sa",
+        "last_step_to_ip": true,
+        "step_forbidden0": false,
+        "step_forbidden1": false,
+        "step_forbidden2": false,
+        "step_forbidden3": false,
+        "step_forbidden4": false,
+        "step_forbidden5": false,
+        "step_forbidden6": false,
+        "step_level0": "26140.196",
+        "step_level1": "50530.829",
+        "step_level2": "",
+        "step_level3": "",
+        "step_level4": "",
+        "step_level5": "",
+        "step_level6": "",
+        "step_lowlying0": false,
+        "step_lowlying1": false,
+        "step_lowlying2": false,
+        "step_lowlying3": false,
+        "step_lowlying4": false,
+        "step_lowlying5": false,
+        "step_lowlying6": false,
+        "step_term0": "5D3",
+        "step_term1": "5D3",
+        "step_term2": "",
+        "step_term3": "",
+        "step_term4": "",
+        "step_term5": "",
+        "step_term6": "",
+        "trans_strength0": "",
+        "trans_strength1": "",
+        "trans_strength2": "",
+        "trans_strength3": "",
+        "trans_strength4": "",
+        "trans_strength5": "",
+        "trans_strength6": "",
+        "unit": "cm<sup>-1</sup>"
+    },
+    "settings": {
+        "arrow_head_width": "0.6",
+        "arrow_width": "0.2",
+        "fig_height": "8.0",
+        "fig_width": "5.0",
+        "fs_axes": "11.0",
+        "fs_axes_labels": "11.0",
+        "fs_labels": "11.0",
+        "fs_title": "14.0",
+        "headspace": "2500.0",
+        "ip_label_pos": "Bottom",
+        "line_breaks": true,
+        "plot_style": "light",
+        "plot_title": "",
+        "prec_level": "0",
+        "prec_wavelength": "3",
+        "show_cm-1_axis": true,
+        "show_eV_axis": true,
+        "show_forbidden_transitions": "x-out",
+        "show_transition_strength": true
+    }
+}
diff --git a/tests/test_json_parser.py b/tests/test_json_parser.py
index e961191..4af4e92 100644
--- a/tests/test_json_parser.py
+++ b/tests/test_json_parser.py
@@ -18,6 +18,8 @@ def test_config_parser(data_path, fname):
     parser = jp.ConfigParser(data)
 
     assert parser.lasers == "Ti:Sa"
+    assert not parser.last_step_to_ip_mode
+    assert not parser.last_step_to_ip
 
 
 @pytest.mark.parametrize(
@@ -118,3 +120,18 @@ def test_json_reader_new(data_path, tmp_path):
     assert isinstance(data_in, dict)
     assert "scheme" in data_in.keys()
     assert "settings" in data_in.keys()
+
+
+@pytest.mark.parametrize("selector", [True, False])
+def test_json_reader_last_step_to_ip(data_path, selector):
+    """Check if last step to IP is correctly parsed."""
+    if selector:
+        fin = data_path.joinpath("draw_last_true.json")
+    else:
+        fin = data_path.joinpath("draw_last_false.json")
+    data = jp.json_reader(fin)
+
+    parser = jp.ConfigParser(data)
+
+    assert parser.last_step_to_ip
+    assert parser.last_step_to_ip_mode is selector