diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 2393d0a..e6172b2 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -266,7 +266,7 @@ class MainWindow(QtWidgets.QMainWindow):
 
         for inner_param, change, data in changes:
             if change == "value":
-                if inner_param.opts.get("param", None) is not None:
+                if "param" in inner_param.opts:
                     if inner_param.opts.get("suffix", None) == "mA":
                         data /= 1000  # Given in mA
 
@@ -282,13 +282,13 @@ class MainWindow(QtWidgets.QMainWindow):
                     await self.client.set_param(*set_param_args)
                     param.child(*param.childPath(inner_param)).setOpts(lock=False)
 
-                if inner_param.opts.get("pid_autotune", None) is not None:
+                if "pid_autotune" in inner_param.opts:
                     auto_tuner_param = inner_param.opts["pid_autotune"][0]
                     if inner_param.opts["pid_autotune"][1] != "ch":
                         ch = inner_param.opts["pid_autotune"][1]
                     self.autotuners.set_params(auto_tuner_param, ch, data)
 
-                if inner_param.opts.get("activaters", None) is not None:
+                if "activaters" in inner_param.opts:
                     activater = inner_param.opts["activaters"][
                         inner_param.opts["limits"].index(data)
                     ]