diff --git a/src/com/android/launcher3/InstallShortcutReceiver.java b/src/com/android/launcher3/InstallShortcutReceiver.java
index 835c472..fb75161 100644
--- a/src/com/android/launcher3/InstallShortcutReceiver.java
+++ b/src/com/android/launcher3/InstallShortcutReceiver.java
@@ -294,7 +294,7 @@
             // Add the new apps to the model and bind them
             if (!addShortcuts.isEmpty()) {
                 LauncherAppState app = LauncherAppState.getInstance();
-                app.getModel().addAndBindAddedApps(context, addShortcuts, null);
+                app.getModel().addAndBindAddedApps(context, addShortcuts, new ArrayList<AppInfo>());
             }
         }
     }
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index dff1814..ba1bcdb 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -282,7 +282,10 @@
         addAndBindAddedApps(context, workspaceApps, cb, allAppsApps);
     }
     public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> workspaceApps,
-                                    final Callbacks callbacks, final ArrayList<AppInfo> allAppsApps) {
+                                final Callbacks callbacks, final ArrayList<AppInfo> allAppsApps) {
+        if (workspaceApps == null || allAppsApps == null) {
+            throw new RuntimeException("workspaceApps and allAppsApps must not be null");
+        }
         if (workspaceApps.isEmpty() && allAppsApps.isEmpty()) {
             return;
         }
@@ -1508,7 +1511,7 @@
             }
             if (!added.isEmpty()) {
                 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;
-                addAndBindAddedApps(context, added, cb, null);
+                addAndBindAddedApps(context, added, cb, new ArrayList<AppInfo>());
             }
         }