diff --git a/changelog b/changelog
index a2bb3d4635..844f8bed61 100644
--- a/changelog
+++ b/changelog
@@ -18,6 +18,9 @@
 
 	6) PR #2820 for #2773. Adds support for the Vernier timing library.
 
+	7) PR #2840 for #2839. Raise error in FortranReader if ignore_directives
+	is True but ignore_comments is True.
+
 release 3.0.0 6th of December 2024
 
 	1) PR #2477 for #2463. Add support for Fortran Namelist statements.
diff --git a/psyclone.pdf b/psyclone.pdf
index 6f629ea05c..55cef3573e 100644
Binary files a/psyclone.pdf and b/psyclone.pdf differ
diff --git a/src/psyclone/psyir/frontend/fortran.py b/src/psyclone/psyir/frontend/fortran.py
index 481690b9dd..98285bbd6d 100644
--- a/src/psyclone/psyir/frontend/fortran.py
+++ b/src/psyclone/psyir/frontend/fortran.py
@@ -72,6 +72,9 @@ class FortranReader():
         for more precise control it also accepts a list of module names.
         Defaults to False.
 
+    :raises ValueError: If ignore_directives is set to False but
+                        ignore_comments is set to True.
+
     '''
     # Save parser object across instances to reduce the initialisation time
     _parser = None
@@ -83,6 +86,11 @@ def __init__(self, free_form: bool = True, ignore_comments: bool = True,
         if not self._parser:
             self._parser = ParserFactory().create(std="f2008")
         self._free_form = free_form
+        if ignore_comments and not ignore_directives:
+            raise ValueError(
+                "Setting ignore_directives to False in the FortranReader will"
+                " only have an effect if ignore_comments is also set to False."
+            )
         self._ignore_comments = ignore_comments
         self._processor = Fparser2Reader(ignore_directives,
                                          last_comments_as_codeblocks,
diff --git a/src/psyclone/tests/psyir/frontend/fortran_test.py b/src/psyclone/tests/psyir/frontend/fortran_test.py
index 9c81ae7905..e7c708c749 100644
--- a/src/psyclone/tests/psyir/frontend/fortran_test.py
+++ b/src/psyclone/tests/psyir/frontend/fortran_test.py
@@ -275,3 +275,12 @@ def test_fortran_psyir_from_file(fortran_reader, tmpdir_factory):
             assert node.preceding_comment == "Comment on assignment"
         else:
             assert node.preceding_comment == ""
+
+    # Check that the following combination raises an error
+    with pytest.raises(ValueError) as err:
+        FortranReader(ignore_comments=True, ignore_directives=False)
+    msg = (
+        "Setting ignore_directives to False in the FortranReader will"
+        " only have an effect if ignore_comments is also set to False."
+    )
+    assert msg in str(err.value)