diff --git a/src/spectator/dsl/mocks.cr b/src/spectator/dsl/mocks.cr
index 70a3f3f..1796be6 100644
--- a/src/spectator/dsl/mocks.cr
+++ b/src/spectator/dsl/mocks.cr
@@ -286,10 +286,10 @@ module Spectator::DSL
  found_tuple = found_tuples.last %}
 
       {% if found_tuple %}
-        {{found_tuple[2].id}}.new.tap do |mock|
+        {{found_tuple[2].id}}.new.tap do |%mock|
           {% for key, value in value_methods %}
             %stub{key} = ::Spectator::ValueStub.new({{key.id.symbolize}}, {{value}})
-            mock._spectator_define_stub(%stub{key})
+            %mock._spectator_define_stub(%stub{key})
           {% end %}
         end
       {% else %}
@@ -362,10 +362,10 @@ module Spectator::DSL
  found_tuple = found_tuples.last %}
 
       {% if found_tuple %}
-        {{found_tuple[2].id}}.tap do |mock|
+        {{found_tuple[2].id}}.tap do |%mock|
           {% for key, value in value_methods %}
             %stub{key} = ::Spectator::ValueStub.new({{key.id.symbolize}}, {{value}})
-            mock._spectator_define_stub(%stub{key})
+            %mock._spectator_define_stub(%stub{key})
           {% end %}
         end
       {% else %}