diff --git a/lib/solargraph/pin/delegated_method.rb b/lib/solargraph/pin/delegated_method.rb
index c60240ddb..25aab0986 100644
--- a/lib/solargraph/pin/delegated_method.rb
+++ b/lib/solargraph/pin/delegated_method.rb
@@ -37,6 +37,11 @@ def initialize(method: nil, receiver: nil, name: method&.name, receiver_method_n
         end
       end
 
+      def resolvable?(api_map)
+        resolve_method(api_map)
+        !!@resolved_method
+      end
+
       private
 
       # Resolves the receiver chain and method name to a method pin, resetting any previously resolution.
diff --git a/lib/solargraph/type_checker.rb b/lib/solargraph/type_checker.rb
index 059caaeff..35c90b0cf 100644
--- a/lib/solargraph/type_checker.rb
+++ b/lib/solargraph/type_checker.rb
@@ -259,7 +259,10 @@ def argument_problems_for chain, api_map, block_pin, locals, location
       base = chain
       until base.links.length == 1 && base.undefined?
         pins = base.define(api_map, block_pin, locals)
-        if pins.first.is_a?(Pin::Method)
+
+        if pins.first.is_a?(Pin::DelegatedMethod) && !pins.first.resolvable?(api_map)
+          # Do nothing, as we can't find the actual method implementation
+        elsif pins.first.is_a?(Pin::Method)
           # @type [Pin::Method]
           pin = pins.first
           ap = if base.links.last.is_a?(Solargraph::Source::Chain::ZSuper)