diff --git a/.travis.yml b/.travis.yml
index 7a336c4..2de611d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,24 +1,23 @@
-language: erlang
+language: ñ
 
 env:
   global:
-    - PLATFORM=linux
     - LUAROCKS_VER=2.2.0
   matrix:
-    - LUA=lua5.1 LUA_SFX=
-    - LUA=lua5.2 LUA_SFX=
-    - LUA=luajit LUA_SFX=jit
-    - LUA=lua5.3 LUA_SFX=
+    - LUA=lua5.1
+    - LUA=lua5.2
+    - LUA=lua5.3
+    - LUA=luajit
 
 before_install:
-  - bash -x .travis/setup_lua.sh
+  - bash .travis/setup_lua.sh
   - sudo pip install cpp-coveralls
 
 install:
   - sudo luarocks make rockspec/lua-cmsgpack-scm-1.rockspec CFLAGS="-O2 -fPIC -ftest-coverage -fprofile-arcs" LIBFLAG="-shared --coverage"
 
 script:
-  - lua$LUA_SFX test.lua
+  - lua test.lua
 
 after_success:
   - coveralls
diff --git a/lua_cmsgpack.c b/lua_cmsgpack.c
index c7659ee..7522d62 100644
--- a/lua_cmsgpack.c
+++ b/lua_cmsgpack.c
@@ -18,6 +18,10 @@
     #define LUACMSGPACK_MAX_NESTING  16 /* Max tables nesting. */
 #endif
 
+#ifdef _MSC_VER
+    #define isinf(x) (!_finite(x))
+#endif
+
 /* Check if float or double can be an integer without loss of precision */
 #define IS_INT_TYPE_EQUIVALENT(x, T) (!isinf(x) && (T)(x) == (x))