diff --git a/lib/ruby_lsp/node_context.rb b/lib/ruby_lsp/node_context.rb
index 8f5a8f235..2025f2dea 100644
--- a/lib/ruby_lsp/node_context.rb
+++ b/lib/ruby_lsp/node_context.rb
@@ -89,12 +89,12 @@ def handle_nesting_nodes(nodes)
         when Prism::ClassNode, Prism::ModuleNode
           nesting << node.constant_path.slice
         when Prism::SingletonClassNode
-          nesting << "<Class:#{nesting.last}>"
+          nesting << "<Class:#{nesting.flat_map { |n| n.split("::") }.last}>"
         when Prism::DefNode
           surrounding_method = node.name.to_s
           next unless node.receiver.is_a?(Prism::SelfNode)
 
-          nesting << "<Class:#{nesting.last}>"
+          nesting << "<Class:#{nesting.flat_map { |n| n.split("::") }.last}>"
         end
       end
 
diff --git a/test/type_inferrer_test.rb b/test/type_inferrer_test.rb
index eb26abaef..622be98ed 100644
--- a/test/type_inferrer_test.rb
+++ b/test/type_inferrer_test.rb
@@ -138,6 +138,19 @@ class << self
       assert_equal("Foo::<Class:Foo>::<Class:<Class:Foo>>", @type_inferrer.infer_receiver_type(node_context).name)
     end
 
+    def test_infer_receiver_type_in_namespaced_singleton_method
+      node_context = index_and_locate(<<~RUBY, { line: 2, character: 4 })
+        class Foo::Bar
+          def self.foo
+            bar
+          end
+        end
+      RUBY
+
+      result = @type_inferrer.infer_receiver_type(node_context).name
+      assert_equal("Foo::Bar::<Class:Bar>", result)
+    end
+
     def test_infer_receiver_type_instance_variables_in_singleton_block_method
       node_context = index_and_locate(<<~RUBY, { line: 3, character: 6 })
         class Foo