diff --git a/modules/juce_core/files/juce_File.h b/modules/juce_core/files/juce_File.h
index f59e8c25c3..f1708f2994 100644
--- a/modules/juce_core/files/juce_File.h
+++ b/modules/juce_core/files/juce_File.h
@@ -1187,3 +1187,13 @@ private:
 };
 
 } // namespace juce
+
+/** @cond */
+namespace std
+{
+    template <> struct hash<juce::File>
+    {
+        size_t operator() (const juce::File& f) const noexcept    { return (size_t) f.hashCode64(); }
+    };
+}
+/** @endcond */