diff --git a/src/org/fdroid/fdroid/DB.java b/src/org/fdroid/fdroid/DB.java
index 73236124e..c4aebe5e0 100644
--- a/src/org/fdroid/fdroid/DB.java
+++ b/src/org/fdroid/fdroid/DB.java
@@ -898,6 +898,10 @@ public class DB {
             while (!c.isAfterLast()) {
                 String id = c.getString(0);
                 App app = apps.get(id);
+                if (app == null) {
+                    c.moveToNext();
+                    continue;
+                }
                 boolean compatible = c.getInt(10) == 1;
                 int repoid = c.getInt(11);
                 if (compatible || incompatibleVersions) {