diff --git a/cockatrice/src/client/tabs/abstract_tab_deck_editor.cpp b/cockatrice/src/client/tabs/abstract_tab_deck_editor.cpp
index 210f20bae..7bd50a31e 100644
--- a/cockatrice/src/client/tabs/abstract_tab_deck_editor.cpp
+++ b/cockatrice/src/client/tabs/abstract_tab_deck_editor.cpp
@@ -389,7 +389,7 @@ void AbstractTabDeckEditor::actLoadDeckFromClipboard()
     deckMenu->setSaveStatus(true);
 }
 
-static void saveDeckToClipboard(DeckLoader *deckLoader, bool addComments, bool addSetNameAndNumber)
+static void saveDeckToClipboard(const DeckLoader *deckLoader, bool addComments, bool addSetNameAndNumber)
 {
     QString buffer;
     QTextStream stream(&buffer);
diff --git a/cockatrice/src/deck/deck_loader.cpp b/cockatrice/src/deck/deck_loader.cpp
index 5249f1bba..737f92df4 100644
--- a/cockatrice/src/deck/deck_loader.cpp
+++ b/cockatrice/src/deck/deck_loader.cpp
@@ -372,7 +372,7 @@ DeckLoader::FileFormat DeckLoader::getFormatFromName(const QString &fileName)
     return PlainTextFormat;
 }
 
-bool DeckLoader::saveToStream_Plain(QTextStream &out, bool addComments, bool addSetNameAndNumber)
+bool DeckLoader::saveToStream_Plain(QTextStream &out, bool addComments, bool addSetNameAndNumber) const
 {
     if (addComments) {
         saveToStream_DeckHeader(out);
@@ -391,7 +391,7 @@ bool DeckLoader::saveToStream_Plain(QTextStream &out, bool addComments, bool add
     return true;
 }
 
-void DeckLoader::saveToStream_DeckHeader(QTextStream &out)
+void DeckLoader::saveToStream_DeckHeader(QTextStream &out) const
 {
     if (!getName().isEmpty()) {
         out << "// " << getName() << "\n\n";
@@ -409,7 +409,7 @@ void DeckLoader::saveToStream_DeckHeader(QTextStream &out)
 void DeckLoader::saveToStream_DeckZone(QTextStream &out,
                                        const InnerDecklistNode *zoneNode,
                                        bool addComments,
-                                       bool addSetNameAndNumber)
+                                       bool addSetNameAndNumber) const
 {
     // group cards by card type and count the subtotals
     QMultiMap<QString, DecklistCardNode *> cardsByType;
@@ -457,7 +457,7 @@ void DeckLoader::saveToStream_DeckZoneCards(QTextStream &out,
                                             const InnerDecklistNode *zoneNode,
                                             QList<DecklistCardNode *> cards,
                                             bool addComments,
-                                            bool addSetNameAndNumber)
+                                            bool addSetNameAndNumber) const
 {
     // QMultiMap sorts values in reverse order
     for (int i = cards.size() - 1; i >= 0; --i) {
diff --git a/cockatrice/src/deck/deck_loader.h b/cockatrice/src/deck/deck_loader.h
index 8a219b0c6..bee08b700 100644
--- a/cockatrice/src/deck/deck_loader.h
+++ b/cockatrice/src/deck/deck_loader.h
@@ -63,20 +63,20 @@ public:
     void resolveSetNameAndNumberToProviderID();
 
     // overload
-    bool saveToStream_Plain(QTextStream &out, bool addComments = true, bool addSetNameAndNumber = true);
+    bool saveToStream_Plain(QTextStream &out, bool addComments = true, bool addSetNameAndNumber = true) const;
     bool convertToCockatriceFormat(QString fileName);
 
 protected:
-    void saveToStream_DeckHeader(QTextStream &out);
+    void saveToStream_DeckHeader(QTextStream &out) const;
     void saveToStream_DeckZone(QTextStream &out,
                                const InnerDecklistNode *zoneNode,
                                bool addComments = true,
-                               bool addSetNameAndNumber = true);
+                               bool addSetNameAndNumber = true) const;
     void saveToStream_DeckZoneCards(QTextStream &out,
                                     const InnerDecklistNode *zoneNode,
                                     QList<DecklistCardNode *> cards,
                                     bool addComments = true,
-                                    bool addSetNameAndNumber = true);
+                                    bool addSetNameAndNumber = true) const;
     [[nodiscard]] QString getCardZoneFromName(QString cardName, QString currentZoneName) override;
     [[nodiscard]] QString getCompleteCardName(const QString &cardName) const override;
 };