diff --git a/api/logic/BaseInstance.h b/api/logic/BaseInstance.h
index de5d6aff..26d4bc35 100644
--- a/api/logic/BaseInstance.h
+++ b/api/logic/BaseInstance.h
@@ -128,7 +128,7 @@ public:
 	virtual QStringList extraArguments() const;
 
 	/// Traits. Normally inside the version, depends on instance implementation.
-	virtual QSet <QString> traits() = 0;
+	virtual QSet <QString> traits() const = 0;
 
 	/**
 	 * Gets the time that the instance was last launched.
diff --git a/api/logic/NullInstance.h b/api/logic/NullInstance.h
index 062c6b5c..f689c5ab 100644
--- a/api/logic/NullInstance.h
+++ b/api/logic/NullInstance.h
@@ -17,7 +17,7 @@ public:
 	{
 		return tr("Unknown instance type");
 	};
-	virtual QSet< QString > traits() override
+	virtual QSet< QString > traits() const override
 	{
 		return {};
 	};
diff --git a/api/logic/minecraft/MinecraftInstance.cpp b/api/logic/minecraft/MinecraftInstance.cpp
index b408b07b..4ff85c27 100644
--- a/api/logic/minecraft/MinecraftInstance.cpp
+++ b/api/logic/minecraft/MinecraftInstance.cpp
@@ -154,7 +154,7 @@ std::shared_ptr<MinecraftProfile> MinecraftInstance::getMinecraftProfile() const
 	return m_profile;
 }
 
-QSet<QString> MinecraftInstance::traits()
+QSet<QString> MinecraftInstance::traits() const
 {
 	auto version = getMinecraftProfile();
 	if (!version)
diff --git a/api/logic/minecraft/MinecraftInstance.h b/api/logic/minecraft/MinecraftInstance.h
index e172edb4..d3a61c5d 100644
--- a/api/logic/minecraft/MinecraftInstance.h
+++ b/api/logic/minecraft/MinecraftInstance.h
@@ -20,7 +20,7 @@ public:
 	virtual void init() override;
 
 	QString typeName() const override;
-	QSet<QString> traits() override;
+	QSet<QString> traits() const override;
 
 	bool canEdit() const override
 	{
diff --git a/api/logic/minecraft/legacy/LegacyInstance.h b/api/logic/minecraft/legacy/LegacyInstance.h
index 5f67cddb..64564591 100644
--- a/api/logic/minecraft/legacy/LegacyInstance.h
+++ b/api/logic/minecraft/legacy/LegacyInstance.h
@@ -87,7 +87,7 @@ public:
 	QString currentVersionId() const;
 	QString intendedVersionId() const;
 
-	QSet<QString> traits() override
+	QSet<QString> traits() const override
 	{
 		return {"legacy-instance", "texturepacks"};
 	};