diff --git a/app/src/main/java/net/typeblog/shelter/services/FreezeService.java b/app/src/main/java/net/typeblog/shelter/services/FreezeService.java
index d6c6c8b..960505d 100644
--- a/app/src/main/java/net/typeblog/shelter/services/FreezeService.java
+++ b/app/src/main/java/net/typeblog/shelter/services/FreezeService.java
@@ -56,6 +56,17 @@ public class FreezeService extends Service {
     private BroadcastReceiver mLockReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
+            // Save usage statistics right now!
+            // We need to use the statics at this moment
+            // for "skipping foreground apps"
+            // No app is foreground after the screen is locked.
+            mScreenLockTime = new Date().getTime();
+            if (SettingsManager.getInstance().getSkipForegroundEnabled() &&
+                    Utility.checkUsageStatsPermission(FreezeService.this)) {
+                UsageStatsManager usm = getSystemService(UsageStatsManager.class);
+                mUsageStats = usm.queryAndAggregateUsageStats(mScreenLockTime - APP_INACTIVE_TIMEOUT, mScreenLockTime);
+            }
+
             // Delay the work so that it can be canceled if the screen
             // gets unlocked before the delay passes
             mHandler.postDelayed(mFreezeWork,
@@ -73,6 +84,15 @@ public class FreezeService extends Service {
         }
     };
 
+    // Usage statistics when the screen was locked
+    // We keep it here since we need the data AT THE MOMENT when screen gets locked
+    // If we don't have the permission to use UsageStats
+    // or "do not freeze foreground apps" is not enabled,
+    // then we won't need any usage stats, so we just keep
+    // it empty in those cases
+    private Map<String, UsageStats> mUsageStats = new HashMap<>();
+    private long mScreenLockTime = -1;
+
     // The handler and the delayed work to handle
     private Handler mHandler = new Handler(Looper.getMainLooper());
     private Runnable mFreezeWork = () -> {
@@ -81,26 +101,12 @@ public class FreezeService extends Service {
             unregisterReceiver(mUnlockReceiver);
 
             if (sAppToFreeze.size() > 0) {
-                long now = new Date().getTime();
-
-                // Initialize with empty usage stats
-                // If we don't have the permission to use UsageStats
-                // or "do not freeze foreground apps" is not enabled,
-                // then we won't need any usage stats, so we just keep
-                // it empty in those cases
-                Map<String, UsageStats> allStats = new HashMap<>();
-
-                if (SettingsManager.getInstance().getSkipForegroundEnabled() &&
-                        Utility.checkUsageStatsPermission(FreezeService.this)) {
-                    UsageStatsManager usm = getSystemService(UsageStatsManager.class);
-                    allStats = usm.queryAndAggregateUsageStats(now - APP_INACTIVE_TIMEOUT, now);
-                }
                 DevicePolicyManager dpm = getSystemService(DevicePolicyManager.class);
                 ComponentName adminComponent = new ComponentName(FreezeService.this, ShelterDeviceAdminReceiver.class);
                 for (String app : sAppToFreeze) {
                     boolean shouldFreeze = true;
-                    UsageStats stats =  allStats.get(app);
-                    if (stats != null && now - stats.getLastTimeUsed() <= APP_INACTIVE_TIMEOUT &&
+                    UsageStats stats =  mUsageStats.get(app);
+                    if (stats != null && mScreenLockTime - stats.getLastTimeUsed() <= APP_INACTIVE_TIMEOUT &&
                             stats.getTotalTimeInForeground() >= APP_INACTIVE_TIMEOUT) {
                         // Don't freeze foreground apps if requested
                         shouldFreeze = false;