diff --git a/FWGL/Backend/GLFW/Common.hs b/FWGL/Backend/GLFW/Common.hs
--- a/FWGL/Backend/GLFW/Common.hs
+++ b/FWGL/Backend/GLFW/Common.hs
@@ -229,4 +229,4 @@
 toKey Key'Pad7 = KeyPad7
 toKey Key'Pad8 = KeyPad8
 toKey Key'Pad9 = KeyPad9
-toKey Key'Unknown = KeyUnknown
+toKey _ = KeyUnknown
diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c) 2014-2015, Luca Prezzavento
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Luca "ZioCrocifisso" Prezzavento nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/fwgl-glfw.cabal b/fwgl-glfw.cabal
--- a/fwgl-glfw.cabal
+++ b/fwgl-glfw.cabal
@@ -1,10 +1,11 @@
 name:                fwgl-glfw
-version:             0.1.0.2
+version:             0.1.0.3
 synopsis:            FWGL GLFW backend
 description:         FWGL GLFW backend.
 homepage:            https://github.com/ZioCrocifisso/FWGL
 stability:           experimental
 license:             BSD3
+license-file:        LICENSE
 author:              Luca "ZioCrocifisso" Prezzavento
 maintainer:          ziocroc@gmail.com
 category:            Game, Game Engine