diff --git a/tools/cmk-plugins/wifi_intefaces/agent_based/wifi_interfaces.py b/tools/cmk-plugins/wifi_intefaces/agent_based/wifi_interfaces.py
index 8477d59..090ecc0 100644
--- a/tools/cmk-plugins/wifi_intefaces/agent_based/wifi_interfaces.py
+++ b/tools/cmk-plugins/wifi_intefaces/agent_based/wifi_interfaces.py
@@ -9,7 +9,7 @@ def check_wifi_status(item, section):
     for interface in section:
         if interface['name'] == item:
             usage = interface['delta_ch_time_busy'] / interface['delta_ch_time'] * 100
-            yield Metric("delta_ch_time", interface['delta_ch_time_busy'])
+            yield Metric("delta_ch_time", interface['delta_ch_time'])
             yield Metric("delta_ch_time_busy", interface['delta_ch_time_busy'])
             yield Metric("channel_usage", usage, levels=(0,100))
             yield Metric("noise_floor", interface['noise'], levels=(-120,0))
@@ -50,4 +50,4 @@ register.check_plugin(
     discovery_function=discover_wifi_status,
     sections=['wifi_interfaces'],
     check_function=check_wifi_status
-)
\ No newline at end of file
+)
diff --git a/tools/cmk-plugins/wifi_intefaces/build.py b/tools/cmk-plugins/wifi_intefaces/build.py
index a23374e..56c9f67 100755
--- a/tools/cmk-plugins/wifi_intefaces/build.py
+++ b/tools/cmk-plugins/wifi_intefaces/build.py
@@ -7,7 +7,7 @@ mkp.dist({'author': 'Albert Stefanov <aastefanov@outlook.com>',
  'name': 'wifi_interfaces',
  'title': 'OpenWRT Wi-Fi Interfaces',
  'download_url': 'https://github.com/openfest/openfest-network-2023',
- 'version': '0.0.1',
+ 'version': '0.0.2',
  'version.min_required': '2.0.0',
 },
 path='.')
diff --git a/tools/cmk-plugins/wifi_intefaces/web/plugins/metrics/wifi_interfaces.py b/tools/cmk-plugins/wifi_intefaces/web/plugins/metrics/wifi_interfaces.py
index 9a81172..1454a22 100644
--- a/tools/cmk-plugins/wifi_intefaces/web/plugins/metrics/wifi_interfaces.py
+++ b/tools/cmk-plugins/wifi_intefaces/web/plugins/metrics/wifi_interfaces.py
@@ -20,19 +20,19 @@ metric_info["channel_usage"] = {
 
 metric_info["noise_floor"] = {
     "title": _("Noise Floor"),
-    "unit": "db",
+    "unit": "dbm",
     "color": "11/b",
 }
 
 metric_info["delta_ch_time"] = {
     "title": _("Channel Time delta"),
-    "unit": "",
+    "unit": "1/s",
     "color": "33/a",
 }
 
 metric_info["delta_ch_time_busy"] = {
     "title": _("Channel Busy Time delta"),
-    "unit": "",
+    "unit": "1/s",
     "color": "13/a",
 }