diff --git a/include/dusk/mod_loader.hpp b/include/dusk/mod_loader.hpp
index a4d9db13ed..e475ab129e 100644
--- a/include/dusk/mod_loader.hpp
+++ b/include/dusk/mod_loader.hpp
@@ -129,4 +129,6 @@ private:
     void initOverlayFiles();
 };
 
+using ModIndex = std::ranges::range_difference_t<decltype(std::declval<ModLoader>().mods())>;
+
 }  // namespace dusk
diff --git a/src/dusk/ui/mods_window.cpp b/src/dusk/ui/mods_window.cpp
index 6c7053584b..d7bd7c1880 100644
--- a/src/dusk/ui/mods_window.cpp
+++ b/src/dusk/ui/mods_window.cpp
@@ -59,7 +59,7 @@ ModsWindow::ModsWindow() {
         return;
     }
 
-    for (size_t i = 0; i < mods.size(); ++i) {
+    for (ModIndex i = 0; i < mods.size(); ++i) {
         mSnapshot.push_back({mods[i].active, mods[i].load_failed});
 
         add_tab(mods[i].metadata.name, [this, i](Rml::Element* content) {
@@ -95,7 +95,7 @@ void ModsWindow::update() {
 
     bool dirty = mods.size() != mSnapshot.size();
     if (!dirty) {
-        for (size_t i = 0; i < mods.size(); ++i) {
+        for (ModIndex i = 0; i < mods.size(); ++i) {
             if (mods[i].active != mSnapshot[i].active ||
                 mods[i].load_failed != mSnapshot[i].load_failed)
             {
diff --git a/src/dusk/ui/mods_window.hpp b/src/dusk/ui/mods_window.hpp
index 5f10bc8087..ba550cbf25 100644
--- a/src/dusk/ui/mods_window.hpp
+++ b/src/dusk/ui/mods_window.hpp
@@ -4,6 +4,8 @@
 
 #include <vector>
 
+#include "dusk/mod_loader.hpp"
+
 namespace dusk::ui {
 
 class ModsWindow : public Window {
@@ -17,7 +19,7 @@ private:
         bool load_failed;
     };
     std::vector<ModSnapshot> mSnapshot;
-    int mActiveModIndex = 0;
+    ModIndex mActiveModIndex = 0;
 };
 
 }  // namespace dusk::ui