diff --git a/bin/linspector b/bin/linspector
index 6efc4b6..6a83216 100755
--- a/bin/linspector
+++ b/bin/linspector
@@ -34,7 +34,7 @@ from linspector.core.monitors import Monitors
 
 # i currently only increase the 3rd number because the goal is that 0.19 will become the first
 # stable version.
-__version__ = '0.19.23.dev1'
+__version__ = '0.19.24.dev1'
 __author__ = 'Johannes Findeisen <you@hanez.org>'
 
 logger = logging.getLogger('linspector')
diff --git a/linspector/core/linspector.py b/linspector/core/linspector.py
index 9363263..6f98691 100644
--- a/linspector/core/linspector.py
+++ b/linspector/core/linspector.py
@@ -25,7 +25,7 @@ class Linspector:
         self.__environment = environment
         self.__jobs = []
         self.__monitors = monitors
-        self.__plugin_list = None
+        self.__plugin_list = []
         self.__plugins = plugins
         self.__scheduler = scheduler