diff --git a/lib/reline.rb b/lib/reline.rb
index f1f82bff72..81619dea77 100644
--- a/lib/reline.rb
+++ b/lib/reline.rb
@@ -16,7 +16,13 @@ module Reline
 
   class ConfigEncodingConversionError < StandardError; end
 
-  Key = Struct.new('Key', :char, :combined_char, :with_meta)
+  Key = Struct.new('Key', :char, :combined_char, :with_meta) do
+    def match?(key)
+      (key.char.nil? or char.nil? or char == key.char) and
+      (key.combined_char.nil? or combined_char.nil? or combined_char == key.combined_char) and
+      (key.with_meta.nil? or with_meta.nil? or with_meta == key.with_meta)
+    end
+  end
   CursorPos = Struct.new(:x, :y)
   DialogRenderInfo = Struct.new(:pos, :contents, :pointer, :bg_color, :width, :height, keyword_init: true)
 
diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index 50aeac996f..d3020087bf 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -1480,7 +1480,9 @@ class Reline::LineEditor
     @last_key = key
     @dialogs.each do |dialog|
       # The dialog will intercept the key if trap_key is set.
-      return if dialog.trap_key and key.combined_char == dialog.trap_key
+      if dialog.trap_key and dialog.trap_key.match?(key)
+        return
+      end
     end
     @just_cursor_moving = nil
     if key.char.nil?