diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fdc836..59758b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+## [1.1.2] - 2021-04-19
+### Fixed
+- Fix #18 plugin crash when test case is marked with a non-pytest.mark decorator
+
 ## [1.1.1] - 2021-04-12
 ### Fixed
 - Fix pytest fixture collection error on non-test modules
diff --git a/pylint_pytest/utils.py b/pylint_pytest/utils.py
index d3d113a..7dac65f 100644
--- a/pylint_pytest/utils.py
+++ b/pylint_pytest/utils.py
@@ -23,7 +23,8 @@ def _is_pytest_mark(decorator):
         if deco.expr.attrname == 'mark' and deco.expr.expr.name == 'pytest':
             return True
     except AttributeError:
-        return False
+        pass
+    return False
 
 
 def _is_pytest_fixture(decorator, fixture=True, yield_fixture=True):
diff --git a/setup.py b/setup.py
index b8435a6..ae9e869 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 setup(
     name='pylint-pytest',
-    version='1.1.1',
+    version='1.1.2',
     author='Reverb Chu',
     author_email='pylint-pytest@reverbc.tw',
     maintainer='Reverb Chu',
diff --git a/tests/input/useless-pytest-mark-decorator/not_pytest_marker.py b/tests/input/useless-pytest-mark-decorator/not_pytest_marker.py
new file mode 100644
index 0000000..0efad86
--- /dev/null
+++ b/tests/input/useless-pytest-mark-decorator/not_pytest_marker.py
@@ -0,0 +1,26 @@
+import functools
+from types import SimpleNamespace
+
+
+def noop(func):
+    @functools.wraps(func)
+    def wrapper_noop(*args, **kwargs):
+        return func(*args, **kwargs)
+    return wrapper_noop
+
+
+PYTEST = SimpleNamespace(
+    MARK=SimpleNamespace(
+        noop=noop
+    )
+)
+
+
+@noop
+def test_non_pytest_marker():
+    pass
+
+
+@PYTEST.MARK.noop
+def test_non_pytest_marker_attr():
+    pass
diff --git a/tests/test_pytest_mark_for_fixtures.py b/tests/test_pytest_mark_for_fixtures.py
index 9ffd01a..2854126 100644
--- a/tests/test_pytest_mark_for_fixtures.py
+++ b/tests/test_pytest_mark_for_fixtures.py
@@ -25,3 +25,7 @@ def test_mark_usefixture_using_for_fixture_function(self):
     def test_other_marks_using_for_fixture(self):
         self.run_linter(enable_plugin=True)
         self.verify_messages(4)
+
+    def test_not_pytest_marker(self):
+        self.run_linter(enable_plugin=True)
+        self.verify_messages(0)