diff --git a/common/decklist.cpp b/common/decklist.cpp
index 708912a29..7916759a5 100644
--- a/common/decklist.cpp
+++ b/common/decklist.cpp
@@ -361,15 +361,14 @@ QVector<QPair<int, int>> InnerDecklistNode::sort(Qt::SortOrder order)
     return result;
 }
 
-DeckList::DeckList()
+DeckList::DeckList() : QObject(), deckHashDirty(true)
 {
     root = new InnerDecklistNode;
 }
 
 // TODO: https://qt-project.org/doc/qt-4.8/qobject.html#no-copy-constructor-or-assignment-operator
 DeckList::DeckList(const DeckList &other)
-    : QObject(), name(other.name), comments(other.comments), bannerCard(other.bannerCard), deckHash(other.deckHash),
-      lastLoadedTimestamp(other.lastLoadedTimestamp), tags(other.tags)
+    : QObject(), name(other.name), comments(other.comments), bannerCard(other.bannerCard), deckHash(other.deckHash), deckHashDirty(other.deckHashDirty), lastLoadedTimestamp(other.lastLoadedTimestamp), tags(other.tags)
 {
     root = new InnerDecklistNode(other.getRoot());
 
@@ -378,10 +377,9 @@ DeckList::DeckList(const DeckList &other)
         spIterator.next();
         sideboardPlans.insert(spIterator.key(), new SideboardPlan(spIterator.key(), spIterator.value()->getMoveList()));
     }
-    updateDeckHash();
 }
 
-DeckList::DeckList(const QString &nativeString)
+DeckList::DeckList(const QString &nativeString) : QObject()
 {
     root = new InnerDecklistNode;
     loadFromString_Native(nativeString);
@@ -507,7 +505,8 @@ bool DeckList::loadFromXml(QXmlStreamReader *xml)
             }
         }
     }
-    updateDeckHash();
+    deckHashDirty = true;
+    emit deckHashChanged();
     if (xml->error()) {
         qDebug() << "Error loading deck from xml: " << xml->errorString();
         return false;
@@ -734,7 +733,8 @@ bool DeckList::loadFromStream_Plain(QTextStream &in)
         new DecklistCardNode(cardName, amount, getZoneObjFromName(zoneName), setCode, collectorNumber);
     }
 
-    updateDeckHash();
+    deckHashDirty = true;
+    emit deckHashChanged();
     return true;
 }
 
@@ -809,6 +809,7 @@ void DeckList::cleanList()
     setComments();
     setTags();
     deckHash = QString();
+    deckHashDirty = false;
     emit deckHashChanged();
 }
 
@@ -881,7 +882,8 @@ DecklistCardNode *DeckList::addCard(const QString &cardName,
     }
 
     auto *node = new DecklistCardNode(cardName, 1, zoneNode, cardSetName, cardSetCollectorNumber, cardProviderId);
-    updateDeckHash();
+    deckHashDirty = true;
+    emit deckHashChanged();
 
     return node;
 }
@@ -907,7 +909,8 @@ bool DeckList::deleteNode(AbstractDecklistNode *node, InnerDecklistNode *rootNod
         }
 
         if (updateHash) {
-            updateDeckHash();
+            deckHashDirty = true;
+            emit deckHashChanged();
         }
 
         return true;
@@ -918,7 +921,8 @@ bool DeckList::deleteNode(AbstractDecklistNode *node, InnerDecklistNode *rootNod
         if (inner) {
             if (deleteNode(node, inner)) {
                 if (updateHash) {
-                    updateDeckHash();
+                    deckHashDirty = true;
+                    emit deckHashChanged();
                 }
 
                 return true;
@@ -929,6 +933,14 @@ bool DeckList::deleteNode(AbstractDecklistNode *node, InnerDecklistNode *rootNod
     return false;
 }
 
+QString DeckList::getDeckHash()
+{
+    if (deckHashDirty) {
+        updateDeckHash();
+    }
+    return deckHash;
+}
+
 void DeckList::updateDeckHash()
 {
     QStringList cardList;
@@ -955,7 +967,7 @@ void DeckList::updateDeckHash()
                      (((quint64)(unsigned char)deckHashArray[1]) << 24) +
                      (((quint64)(unsigned char)deckHashArray[2] << 16)) +
                      (((quint64)(unsigned char)deckHashArray[3]) << 8) + (quint64)(unsigned char)deckHashArray[4];
-    deckHash = QString::number(number, 32).rightJustified(8, '0');
 
-    emit deckHashChanged();
+    deckHash = QString::number(number, 32).rightJustified(8, '0');
+    deckHashDirty = false;
 }
diff --git a/common/decklist.h b/common/decklist.h
index 9c291cfba..0399b88cf 100644
--- a/common/decklist.h
+++ b/common/decklist.h
@@ -253,6 +253,7 @@ private:
     QString name, comments;
     QPair<QString, QString> bannerCard;
     QString deckHash;
+    bool deckHashDirty;
     QString lastLoadedTimestamp;
     QStringList tags;
     QMap<QString, SideboardPlan *> sideboardPlans;
@@ -363,10 +364,7 @@ public:
 
     int getSideboardSize() const;
 
-    QString getDeckHash() const
-    {
-        return deckHash;
-    }
+    QString getDeckHash();
     void updateDeckHash();
 
     InnerDecklistNode *getRoot() const
@@ -399,4 +397,4 @@ public:
     }
 };
 
-#endif
\ No newline at end of file
+#endif