diff --git a/repo_cloner/lib/cloner.py b/repo_cloner/lib/cloner.py
index aec4ad5..b9d2786 100644
--- a/repo_cloner/lib/cloner.py
+++ b/repo_cloner/lib/cloner.py
@@ -212,8 +212,11 @@ class Cloner:
 
 	@property
 	def detector_enabled(self) -> bool:
+		log.debug(f"Querying detector config file")
 		return os.path.exists(os.path.join(self._dirs.conf_dir, self.__detector_cfg))
 
-	def run_detector(self, callback: Callable[[DetectedCommit], None]):
-		detector = Detector(self.__main_repo_path, self._dirs.cache_dir, self._config.cloner_project_name)
-		detector.run(callback)
+	def detector_run(self, callback: Callable[[DetectedCommit], None]):
+		detector = Detector(Path(self.__main_repo_path), Path(self._dirs.cache_dir), self._config.cloner_project_name)
+		if detector.check_fingerprint():
+			log.debug(f"Starting detector discovery")
+			detector.run(callback)
diff --git a/tests/lib/test_cloner.py b/tests/lib/test_cloner.py
index a2f6740..a53ffe1 100644
--- a/tests/lib/test_cloner.py
+++ b/tests/lib/test_cloner.py
@@ -495,3 +495,31 @@ def test_detector_enabled(cloner_dir_with_config):
 	assert not cl.detector_enabled
 	Path(cloner_dir_with_config).joinpath("config", "detector.cfg").touch()
 	assert cl.detector_enabled
+
+
+def test_detector_run(cloner_dir_with_config):
+	called = False
+
+	def callback_test(commit):
+		nonlocal called
+		called = True
+
+	def run_mock(callback):
+		callback("Anything")
+
+	ds = MockDirStruct(cloner_dir_with_config)
+	ds.config.cloner_repo_url = "https://mock"
+
+	mocks = {
+		'check_fingerprint': MagicMock(side_effect = [False, True]),
+		'run':               MagicMock(side_effect = run_mock),
+	}
+
+	with patch.multiple('repo_cloner.lib.cloner.Detector', **mocks):
+		cl = Cloner(ds)
+		cl.detector_run(callback_test)
+		assert not repo_cloner.lib.cloner.Detector.run.called
+		assert not called
+		cl.detector_run(callback_test)
+		assert repo_cloner.lib.cloner.Detector.run.called
+		assert called