diff --git a/novelwriter/core/sessions.py b/novelwriter/core/sessions.py
index 3ed0e897..7fe3fd3a 100644
--- a/novelwriter/core/sessions.py
+++ b/novelwriter/core/sessions.py
@@ -112,7 +112,7 @@ class NWSessionLog:
     def iterRecords(self) -> Iterator[dict]:
         """Iterate through all records in the log."""
         sessFile = self._project.storage.getMetaFile(nwFiles.SESS_FILE)
-        if isinstance(sessFile, Path):
+        if isinstance(sessFile, Path) and sessFile.is_file():
             try:
                 with open(sessFile, mode="r", encoding="utf-8") as fObj:
                     for line in fObj:
diff --git a/tests/test_core/test_core_sessions.py b/tests/test_core/test_core_sessions.py
new file mode 100644
index 00000000..d7ee58f1
--- /dev/null
+++ b/tests/test_core/test_core_sessions.py
@@ -0,0 +1,114 @@
+"""
+novelWriter – NWSessionLog Class Tester
+=======================================
+
+This file is a part of novelWriter
+Copyright 2018–2023, Veronica Berglyd Olsen
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+"""
+
+import pytest
+
+from time import sleep
+from pathlib import Path
+
+from tools import buildTestProject
+from mocked import causeOSError
+
+from novelwriter.constants import nwFiles
+from novelwriter.core.project import NWProject
+from novelwriter.core.sessions import NWSessionLog
+
+
+@pytest.mark.core
+def testCoreSessions_Main(monkeypatch, mockGUI, fncPath):
+    """Test log file handling of the NWSessionLog class."""
+    project = NWProject(mockGUI)
+    buildTestProject(project, fncPath)
+
+    logFile = project.storage.getMetaFile(nwFiles.SESS_FILE)
+    assert isinstance(logFile, Path)
+
+    # Set some moch word counts
+    project.data.setInitCounts(50, 60)
+    project.data.setCurrCounts(160, 150)
+
+    # The project init should already have created the session
+    sessLog = project.session
+    assert isinstance(sessLog, NWSessionLog)
+    assert sessLog.start > 0.0
+
+    # Starting the session again should reset the timer
+    currTime = sessLog.start
+    sleep(0.015)  # Make sure we don't hit clock resolution issues on Windows
+    sessLog.startSession()
+    assert sessLog.start > currTime
+
+    # There should not be a logfile
+    assert not logFile.exists()
+    assert len(list(sessLog.iterRecords())) == 0
+
+    # Create the initial and first records
+    assert sessLog.appendSession(0.8) is True
+    assert logFile.exists()  # Logfile now exists
+    records = list(sessLog.iterRecords())
+    assert len(records) == 2
+    assert records[0]["type"] == "initial"
+    assert records[0]["offset"] == 110  # Sum of initial word counts
+    assert records[1]["type"] == "record"
+    assert records[1]["novel"] == 160
+    assert records[1]["notes"] == 150
+    assert records[1]["idle"] == 1  # Should be rounded to full seconds
+
+    # Adding another record without changing word count should do nothing
+    project.data.setInitCounts(160, 150)
+    project.data.setCurrCounts(160, 150)
+    assert sessLog.appendSession(1.6) is False
+    assert len(list(sessLog.iterRecords())) == 2
+
+    # But adding when count has changed should
+    project.data.setInitCounts(160, 150)
+    project.data.setCurrCounts(270, 240)
+    sessLog._start -= 350.0  # Backdate the session start to allow logging
+    assert sessLog.appendSession(1.6) is True
+    records = list(sessLog.iterRecords())
+    assert len(records) == 3
+    assert records[2]["novel"] == 270
+    assert records[2]["notes"] == 240
+    assert records[2]["idle"] == 2  # Should be rounded to full seconds
+
+    # Make file path unresolvable, and try appending another record
+    with monkeypatch.context() as mp:
+        mp.setattr("novelwriter.core.storage.NWStorage.getMetaFile", lambda *a: None)
+        assert sessLog.appendSession(1.6) is False
+    assert len(list(sessLog.iterRecords())) == 3
+
+    # Make the file open fail, and check that it's handled
+    with monkeypatch.context() as mp:
+        mp.setattr("builtins.open", causeOSError)
+        assert sessLog.appendSession(1.6) is False
+    assert len(list(sessLog.iterRecords())) == 3
+
+    # Make the file load fail, and check that it's handled
+    with monkeypatch.context() as mp:
+        mp.setattr("builtins.open", causeOSError)
+        assert len(list(sessLog.iterRecords())) == 0
+
+    # Make file path unresolvable
+    with monkeypatch.context() as mp:
+        mp.setattr("novelwriter.core.storage.NWStorage.getMetaFile", lambda *a: None)
+        assert len(list(sessLog.iterRecords())) == 0
+
+# END Test testCoreSessions_Main