diff --git a/src/spectator/dsl/mocks.cr b/src/spectator/dsl/mocks.cr
index 18fe1fa..19645fc 100644
--- a/src/spectator/dsl/mocks.cr
+++ b/src/spectator/dsl/mocks.cr
@@ -226,7 +226,7 @@ module Spectator::DSL
 
          # Store information about how the mock is defined and its context.
          # This is important for constructing an instance of the mock later.
-         ::Spectator::DSL::Mocks::TYPES << {type.id.symbolize, @type.name(generic_args: false).symbolize, "::#{resolved.name}::#{mock_type_name}".id.symbolize}
+         ::Spectator::DSL::Mocks::TYPES << {type.id.symbolize, @type.name(generic_args: false).symbolize, "#{"::".id unless resolved.name.starts_with?("::")}#{resolved.name}::#{mock_type_name}".id.symbolize}
 
          base = if resolved.class?
                   :class
@@ -237,7 +237,7 @@ module Spectator::DSL
                 end %}
 
       {% begin %}
-        {{base.id}} ::{{resolved.name}}
+        {{base.id}} {{"::".id unless resolved.name.starts_with?("::")}}{{resolved.name}}
           ::Spectator::Mock.define_subtype({{base}}, {{type.id}}, {{mock_type_name}}, {{name}}, {{**value_methods}}) {{block}}
         end
       {% end %}
diff --git a/src/spectator/mocks/mock.cr b/src/spectator/mocks/mock.cr
index 87e8e23..d2a1fde 100644
--- a/src/spectator/mocks/mock.cr
+++ b/src/spectator/mocks/mock.cr
@@ -149,7 +149,7 @@ module Spectator
     macro inject(base, type_name, name = nil, **value_methods, &block)
       {% begin %}
         {% if name %}@[::Spectator::StubbedName({{name}})]{% end %}
-        {{base.id}} ::{{type_name.id}}
+        {{base.id}} {{"::".id unless type_name.id.starts_with?("::")}}{{type_name.id}}
           include ::Spectator::Mocked
           extend ::Spectator::StubbedType