diff --git a/node.json b/node.json
index c6f350b..beff3d3 100644
--- a/node.json
+++ b/node.json
@@ -69,9 +69,16 @@
         "name": "background_color",
         "type": "color",
         "default": [0,0,0,1]
+    }, {
+        "title": "Show ACK",
+        "ui_width": 2,
+        "name": "show_ack",
+        "type": "boolean",
+        "default": true,
+        "hint": "Show acknowledged problems (adds a note, too)"
     }, {
         "title": "instance name",
-        "ui_width": 9,
+        "ui_width": 7,
         "name": "instance_name",
         "type": "string",
         "default": "icinga2",
diff --git a/node.lua b/node.lua
index c143722..30ea8d6 100644
--- a/node.lua
+++ b/node.lua
@@ -91,8 +91,7 @@ function node.render()
 
         y = y+CONFIG.header_size+CONFIG.output_size*0.5
 
-        --debug output
-        --CONFIG.font:write(10, y, serv.sort, 10, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][2],1)
+        CONFIG.output_font:write(10, y, serv.ack, CONFIG.output_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][2],1)
 
         for idx, line in ipairs(serv.output) do
             CONFIG.output_font:write(indent, y, line, CONFIG.output_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][3],1)
diff --git a/service b/service
index 5b0f500..a9e201a 100755
--- a/service
+++ b/service
@@ -53,12 +53,21 @@ def regenerate():
                 if host['attrs']['downtime_depth'] > 0:
                     continue
 
+                if host['attrs']['acknowledgement'] == 1:
+                    if not CONFIG['show_ack']:
+                        continue
+
+                    ack = 'ACKNOWLEDGED'
+                else:
+                    ack = ''
+
                 services['services'].append({
                     'host': host['attrs']['display_name'],
                     'service': '-- HOST --',
                     'state': 2,
                     'type': int(host['attrs']['state_type']),
                     'output': host['attrs']['last_check_result']['output'].splitlines(),
+                    'ack': ack,
                     'sort': '{}{}{}{}'.format(
                         int(host['attrs']['state_type'])*-1,
                         SORT_ORDER[2],
@@ -72,12 +81,21 @@ def regenerate():
                 if svc['attrs']['downtime_depth'] > 0 or svc['attrs']['host_name'] in broken_hosts:
                     continue
 
+                if svc['attrs']['acknowledgement'] == 1:
+                    if not CONFIG['show_ack']:
+                        continue
+
+                    ack = 'ACKNOWLEDGED'
+                else:
+                    ack = ''
+
                 services['services'].append({
                     'host': svc['attrs']['host_name'],
                     'service': svc['attrs']['display_name'],
                     'state': int(svc['attrs']['state']),
                     'type': int(svc['attrs']['state_type']),
                     'output': svc['attrs']['last_check_result']['output'].splitlines(),
+                    'ack': ack,
                     'sort': '{}{}{}{}'.format(
                         int(svc['attrs']['state_type'])*-1,
                         SORT_ORDER[int(svc['attrs']['state'])],
@@ -91,6 +109,7 @@ def regenerate():
             'service': 'INTERNAL',
             'state': 2,
             'type': 1,
+            'ack': '',
             'output': [repr(e)],
             'sort': 999,
         })
@@ -101,6 +120,7 @@ def regenerate():
             'service': 'icinga2',
             'state': 0,
             'type': 1,
+            'ack': '',
             'output': ['Everything is fine. Go get some coffee.'],
             'sort': 1000,
         })