diff --git a/cockatrice/src/carddatabase.cpp b/cockatrice/src/carddatabase.cpp
index dce7da72..489b78d9 100644
--- a/cockatrice/src/carddatabase.cpp
+++ b/cockatrice/src/carddatabase.cpp
@@ -99,7 +99,7 @@ int SetList::getUnknownSetsNum()
     for (int i = 0; i < size(); ++i)
     {
         CardSet *set = at(i);
-        if(!set->getIsKnown())
+        if(!set->getIsKnown() && !set->getIsKnownIgnored())
             ++num;
     }
     return num;
@@ -111,7 +111,7 @@ QStringList SetList::getUnknownSetsNames()
     for (int i = 0; i < size(); ++i)
     {
         CardSet *set = at(i);
-        if(!set->getIsKnown())
+        if(!set->getIsKnown() && !set->getIsKnownIgnored())
             sets << set->getShortName();
     }
     return sets;
@@ -122,11 +122,15 @@ void SetList::enableAllUnknown()
     for (int i = 0; i < size(); ++i)
     {
         CardSet *set = at(i);
-        if(!set->getIsKnown())
+        if(!set->getIsKnown() && !set->getIsKnownIgnored())
         {
             set->setIsKnown(true);
             set->setEnabled(true);
         }
+        else if (set->getIsKnownIgnored() && !set->getEnabled())
+        {
+            set->setEnabled(true);
+        }
     }
 }
 
@@ -135,7 +139,8 @@ void SetList::enableAll()
     for (int i = 0; i < size(); ++i)
     {
         CardSet *set = at(i);
-        set->setIsKnown(true);
+        if(!set->getIsKnownIgnored())
+            set->setIsKnown(true);
         set->setEnabled(true);
     }
 }
@@ -145,9 +150,14 @@ void SetList::markAllAsKnown()
     for (int i = 0; i < size(); ++i)
     {
         CardSet *set = at(i);
-        if(!set->getIsKnown())
+        if(!set->getIsKnown() && !set->getIsKnownIgnored())
         {
             set->setIsKnown(true);
+            set->setEnabled(false);
+        }
+        else if (set->getIsKnownIgnored() && !set->getEnabled())
+        {
+            set->setEnabled(true);
         }
     }
 }
@@ -840,6 +850,8 @@ void CardDatabase::checkUnknownSets()
         QStringList unknownSetNames = sets.getUnknownSetsNames();
         if(numUnknownSets > 0)
             emit cardDatabaseNewSetsFound(numUnknownSets, unknownSetNames);
+        else
+            sets.markAllAsKnown();
     } else {
         // No set enabled. Probably this is the first time running trice
         sets.guessSortKeys();
diff --git a/cockatrice/src/carddatabase.h b/cockatrice/src/carddatabase.h
index 557454ff..800f22cb 100644
--- a/cockatrice/src/carddatabase.h
+++ b/cockatrice/src/carddatabase.h
@@ -43,6 +43,8 @@ public:
     void setEnabled(bool _enabled);
     bool getIsKnown() const { return isknown; }
     void setIsKnown(bool _isknown);
+    //Determine incomplete sets.
+    bool getIsKnownIgnored() const { return longName.length() + setType.length() + releaseDate.toString().length() == 0 ; }
 };
 
 class SetList : public QList<CardSet *> {