diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
index 09d0e415..9ad63f6c 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
@@ -39,10 +39,11 @@
 
 namespace ATLauncher {
 
-PackInstallTask::PackInstallTask(UserInteractionSupport *support, QString pack, QString version)
+PackInstallTask::PackInstallTask(UserInteractionSupport *support, QString packName, QString version)
 {
     m_support = support;
-    m_pack = pack;
+    m_pack_name = packName;
+    m_pack_safe_name = packName.replace(QRegularExpression("[^A-Za-z0-9]"), "");
     m_version_name = version;
 }
 
@@ -60,7 +61,7 @@ void PackInstallTask::executeTask()
     qDebug() << "PackInstallTask::executeTask: " << QThread::currentThreadId();
     auto *netJob = new NetJob("ATLauncher::VersionFetch", APPLICATION->network());
     auto searchUrl = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json")
-            .arg(m_pack).arg(m_version_name);
+            .arg(m_pack_safe_name).arg(m_version_name);
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
     jobPtr->start();
@@ -307,7 +308,7 @@ bool PackInstallTask::createLibrariesComponent(QString instanceRoot, std::shared
     auto patchFileName = FS::PathCombine(patchDir, target_id + ".json");
 
     auto f = std::make_shared<VersionFile>();
-    f->name = m_pack + " " + m_version_name + " (libraries)";
+    f->name = m_pack_name + " " + m_version_name + " (libraries)";
 
     for(const auto & lib : m_version.libraries) {
         auto libName = detectLibrary(lib);
@@ -412,7 +413,7 @@ bool PackInstallTask::createPackComponent(QString instanceRoot, std::shared_ptr<
     }
 
     auto f = std::make_shared<VersionFile>();
-    f->name = m_pack + " " + m_version_name;
+    f->name = m_pack_name + " " + m_version_name;
     if(!mainClass.isEmpty() && !mainClasses.contains(mainClass)) {
         f->mainClass = mainClass;
     }
@@ -454,9 +455,9 @@ void PackInstallTask::installConfigs()
     setStatus(tr("Downloading configs..."));
     jobPtr = new NetJob(tr("Config download"), APPLICATION->network());
 
-    auto path = QString("Configs/%1/%2.zip").arg(m_pack).arg(m_version_name);
+    auto path = QString("Configs/%1/%2.zip").arg(m_pack_safe_name).arg(m_version_name);
     auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.zip")
-            .arg(m_pack).arg(m_version_name);
+            .arg(m_pack_safe_name).arg(m_version_name);
     auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", path);
     entry->setStale(true);
 
diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.h b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
index bb1e5860..44bf01e7 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.h
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
@@ -57,7 +57,7 @@ class PackInstallTask : public InstanceTask
 Q_OBJECT
 
 public:
-    explicit PackInstallTask(UserInteractionSupport *support, QString pack, QString version);
+    explicit PackInstallTask(UserInteractionSupport *support, QString packName, QString version);
     virtual ~PackInstallTask(){}
 
     bool canAbort() const override { return true; }
@@ -99,7 +99,8 @@ private:
     NetJob::Ptr jobPtr;
     QByteArray response;
 
-    QString m_pack;
+    QString m_pack_name;
+    QString m_pack_safe_name;
     QString m_version_name;
     PackVersion m_version;
 
diff --git a/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp b/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
index d4e2cc3c..8b5a3187 100644
--- a/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
+++ b/launcher/ui/pages/modplatform/atlauncher/AtlPage.cpp
@@ -91,7 +91,7 @@ void AtlPage::suggestCurrent()
         return;
     }
 
-    dialog->setSuggestedPack(selected.name + " " + selectedVersion, new ATLauncher::PackInstallTask(this, selected.safeName, selectedVersion));
+    dialog->setSuggestedPack(selected.name + " " + selectedVersion, new ATLauncher::PackInstallTask(this, selected.name, selectedVersion));
     auto editedLogoName = selected.safeName;
     auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/images/%1.png").arg(selected.safeName.toLower());
     listModel->getLogo(selected.safeName, url, [this, editedLogoName](QString logo)