diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9031167ad54a1be700ac830a55a9c1a58268de4..4b38710fe6a41aa3d7f458ee3861e0fa49a33bbb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.1.2
+
+* KissAbstract now extends Kiss::Kiss rather than just including it (so kind_of will work).
+
 ## 2.1.1
 
 * Kiss was a class, it is now a module (Kiss::Kiss) to allow for mixins.
diff --git a/lib/kiss/app_info.rb b/lib/kiss/app_info.rb
index 23a5e05ae01165dde679fcece68c4a0e7256c2e5..1d0be6cdb4cfc632539adb900cf55d35344bbc91 100644
--- a/lib/kiss/app_info.rb
+++ b/lib/kiss/app_info.rb
@@ -1,3 +1,3 @@
 module Kiss
-    VERSION = "2.1.1"
+    VERSION = "2.1.2"
 end
diff --git a/lib/kiss/kiss_abstract.rb b/lib/kiss/kiss_abstract.rb
index 9ac88cc125d5be85462ba399cb2bdea9e018fddd..bbb4924dd68f3a73ef27297588134f4033fe995a 100644
--- a/lib/kiss/kiss_abstract.rb
+++ b/lib/kiss/kiss_abstract.rb
@@ -5,7 +5,7 @@ require 'kiss/kiss'
 
 module Kiss
     class KissAbstract
-        include Kiss
+        extend Kiss
         include Abstractify::Abstract
 
         abstract :write_interface, :read_interface, :connect, :close
diff --git a/spec/kiss/kiss_serial_spec.rb b/spec/kiss/kiss_serial_spec.rb
index fb99551009becf6df408128615d29b8516085e15..5826d1c076a884703e1c9f346e7495b916744e8b 100644
--- a/spec/kiss/kiss_serial_spec.rb
+++ b/spec/kiss/kiss_serial_spec.rb
@@ -186,4 +186,13 @@ describe Kiss::KissSerial do
     end
   end
 
+  describe ".kind_of?" do
+    context "Given the Kiss module as an argument" do
+      let( :kiss_serial ) { Kiss::KissSerial.new("/dev/ttyUSB-scs") }
+      it "will return true" do
+        expect(kiss_serial.class).to be_kind_of(Kiss::Kiss)
+      end
+    end
+  end
+
 end