diff --git a/libSafeMobile/src/main/java/com/safemobile/adapters/AlertGridViewAdapter.java b/libSafeMobile/src/main/java/com/safemobile/adapters/AlertGridViewAdapter.java
index abaf299..d06236c 100644
--- a/libSafeMobile/src/main/java/com/safemobile/adapters/AlertGridViewAdapter.java
+++ b/libSafeMobile/src/main/java/com/safemobile/adapters/AlertGridViewAdapter.java
@@ -97,6 +97,10 @@ public class AlertGridViewAdapter extends BaseAdapter
 		switch(acknowledged.get(position) ? 1 : 0)
 		{
 			case 1:
+				ViewGroup.LayoutParams params = convertView.getLayoutParams();
+				if (params != null) {
+					params.height = 0;
+				}
 				view.imageViewAlert.setImageResource(R.drawable.alert_off);
 				//view.layoutAlarm.setBackgroundColor(0xffffffff);
 		        break;
diff --git a/safeDispatch/src/main/java/com/safemobile/safedispatch/AlarmActivity.java b/safeDispatch/src/main/java/com/safemobile/safedispatch/AlarmActivity.java
index 52091a1..4585b00 100644
--- a/safeDispatch/src/main/java/com/safemobile/safedispatch/AlarmActivity.java
+++ b/safeDispatch/src/main/java/com/safemobile/safedispatch/AlarmActivity.java
@@ -131,6 +131,8 @@ public class AlarmActivity extends Activity {
 			if (!AppParams.DEMO) {
 				getParentTab().getAlarms(AppParams.USERID);
 				setACK(getAllAlarms().get(position).idx, getAllAlarms().get(position).type, getAllAlarms().get(position).unitName);
+				acknowledged.set(position, true);
+				updateResultsInUi(ALARM);
 			} else {
 				getAllAlarms().get(position).ack = 1;
 				updateResultsInUi("else");