diff --git a/src/Configuration/Configuration.cpp b/src/Configuration/Configuration.cpp
index c1a4545..61a86bd 100644
--- a/src/Configuration/Configuration.cpp
+++ b/src/Configuration/Configuration.cpp
@@ -156,6 +156,14 @@ Configuration::setSkipDisclaimer(bool mode) {
     _conf.save();
 }
 
+bool Configuration::isRunningInWine() const {
+    return _isRunningInWine;
+}
+
+void Configuration::setRunningInWine(bool wine) {
+    _isRunningInWine = wine;
+}
+
 Configuration&
 Configuration::instance() {
     static Configuration conf{};
diff --git a/src/Configuration/Configuration.h b/src/Configuration/Configuration.h
index 5b9a0ca..884e522 100644
--- a/src/Configuration/Configuration.h
+++ b/src/Configuration/Configuration.h
@@ -46,6 +46,9 @@ class Configuration {
         bool skipDisclaimer() const;
         void setSkipDisclaimer(bool mode);
 
+        bool isRunningInWine() const;
+        void setRunningInWine(bool wine);
+
     private:
         explicit Configuration();
 
@@ -57,6 +60,8 @@ class Configuration {
         bool _advancedMode = false;
         bool _checkUpdatesOnStartup = true;
         bool _skipDisclaimer = false;
+
+        bool _isRunningInWine = false;
 };
 
 Configuration& conf();
diff --git a/src/SaveTool/SaveTool.cpp b/src/SaveTool/SaveTool.cpp
index 7d2a009..7fd17bf 100644
--- a/src/SaveTool/SaveTool.cpp
+++ b/src/SaveTool/SaveTool.cpp
@@ -337,6 +337,12 @@ SaveTool::drawDisclaimer() {
         ImGui::SameLine();
         ImGui::TextUnformatted("This version of the application was tested on M.A.S.S. Builder early access version " SUPPORTED_GAME_VERSION ". It may or may not work with other versions of the game.");
 
+        if(conf().isRunningInWine()) {
+            ImGui::Bullet();
+            ImGui::SameLine();
+            ImGui::TextUnformatted("You are currently running this application in Wine/Proton. It hasn't been fully tested, so some issues may arise. Furthermore, features may be unavailable.");
+        }
+
         ImGui::PopTextWrapPos();
 
         if(ImGui::BeginTable("##DisclaimerLayoutTable", 3)) {
@@ -430,9 +436,12 @@ SaveTool::drawCheckbox(Containers::StringView label, bool value) {
 
 void
 SaveTool::openUri(Containers::StringView uri) {
-    ShellExecuteW(nullptr, nullptr, Utility::Unicode::widen(uri.data()), nullptr, nullptr, SW_SHOWDEFAULT);
-    // TODO: have it open folders through winebrowser.exe when running using Wine/Proton.
-    //       URLs like Discord invites or Steam Browser Protocol links should be disabled entirely there.
+    if(!conf().isRunningInWine()) {
+        ShellExecuteA(nullptr, nullptr, uri.data(), nullptr, nullptr, SW_SHOWDEFAULT);
+    }
+    else {
+        std::system(Utility::format("winebrowser.exe {}", uri).cbegin());
+    }
 }
 
 void
diff --git a/src/SaveTool/SaveTool_drawMainMenu.cpp b/src/SaveTool/SaveTool_drawMainMenu.cpp
index b204087..2e74919 100644
--- a/src/SaveTool/SaveTool_drawMainMenu.cpp
+++ b/src/SaveTool/SaveTool_drawMainMenu.cpp
@@ -159,6 +159,7 @@ SaveTool::drawMainMenu() {
         ImGui::EndMenu();
     }
 
+    ImGui::BeginDisabled(conf().isRunningInWine());
     if(ImGui::BeginMenu("Game##GameMenu")) {
         if(ImGui::MenuItem(ICON_FA_PLAY " Run demo##RunDemoMenuItem")) {
             openUri("steam://run/1048390");
@@ -185,6 +186,10 @@ SaveTool::drawMainMenu() {
 
         ImGui::EndMenu();
     }
+    ImGui::EndDisabled();
+    if(conf().isRunningInWine() && ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled)) {
+        ImGui::SetTooltip("Not available when running in Wine.");
+    }
 
     #ifdef SAVETOOL_DEBUG_BUILD
     if(ImGui::BeginMenu("Debug tools")) {
diff --git a/src/main.cpp b/src/main.cpp
index 13e958c..e76d422 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -22,6 +22,7 @@
 #include <synchapi.h>
 #include <winerror.h>
 
+#include "Configuration/Configuration.h"
 #include "Logger/MagnumLogBuffer.h"
 #include "SaveTool/SaveTool.h"
 
@@ -50,6 +51,11 @@ int main(int argc, char** argv) {
                                      "Your system doesn't support UTF-8.", nullptr);
             return EXIT_FAILURE;
         }
+
+        if(locale.hasSuffix(".65001")) {
+            LOG_INFO("Wine detected.");
+            conf().setRunningInWine(true);
+        }
     }
 
     auto mutex_handle = CreateMutexW(nullptr, 0, L"MassBuilderSaveTool");