diff --git a/qt/IconCache.cc b/qt/IconCache.cc
index 87d386641..307d12f51 100644
--- a/qt/IconCache.cc
+++ b/qt/IconCache.cc
@@ -133,7 +133,7 @@ QIcon IconCache::getMimeTypeIcon(QString const& mime_type_name, bool multifile)
 
 #ifdef _WIN32
 
-void IconCache::addAssociatedFileIcon(QFileInfo const& file_info, UINT icon_size, QIcon& icon) const
+void IconCache::addAssociatedFileIcon(QFileInfo const& file_info, unsigned int icon_size, QIcon& icon) const
 {
     QString const pixmap_cache_key = QStringLiteral("tr_file_ext_") + QString::number(icon_size) + QLatin1Char('_') +
         file_info.suffix();
diff --git a/qt/IconCache.h b/qt/IconCache.h
index cc4d80693..bbfa8f35e 100644
--- a/qt/IconCache.h
+++ b/qt/IconCache.h
@@ -8,18 +8,21 @@
 
 #pragma once
 
-#if defined(_WIN32)
-#include <windows.h> // UINT
-class QFileInfo;
-#else
-#include <unordered_map>
+#if !defined(_WIN32)
 #include <unordered_set>
-#include "Utils.h" // std::hash<QString>()
 #endif
 
+#include <unordered_map>
+
 #include <QIcon>
 #include <QString>
 
+#include "Utils.h" // std::hash<QString>()
+
+#if defined(_WIN32)
+class QFileInfo;
+#endif
+
 class QModelIndex;
 
 class IconCache
@@ -43,7 +46,7 @@ private:
     mutable std::unordered_map<QString, QIcon> name_to_emblem_icon_;
 
 #if defined(_WIN32)
-    void addAssociatedFileIcon(QFileInfo const& file_info, UINT icon_size, QIcon& icon) const;
+    void addAssociatedFileIcon(QFileInfo const& file_info, unsigned int icon_size, QIcon& icon) const;
 #else
     mutable std::unordered_set<QString> suffixes_;
     mutable std::unordered_map<QString, QIcon> ext_to_icon_;