diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c852d5b0a..4807e871c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -235,7 +235,7 @@ include_directories(
 	${CMAKE_BUILD_TYPE}
 	${PNG_INCLUDE_DIR}
 	${GETTEXT_INCLUDE_DIR}
-	${AUDIO_INLCUDE_DIRS}
+	${AUDIO_INCLUDE_DIRS}
 	${JTHREAD_INCLUDE_DIR}
 	${SQLITE3_INCLUDE_DIR}
 	${LUA_INCLUDE_DIR}
diff --git a/src/sound_openal.cpp b/src/sound_openal.cpp
index 26ad6fa4c..6f9ff3bd6 100644
--- a/src/sound_openal.cpp
+++ b/src/sound_openal.cpp
@@ -23,10 +23,10 @@ with this program; ifnot, write to the Free Software Foundation, Inc.,
 
 #include "sound_openal.h"
 
-#if defined(_MSC_VER)
+#if defined(_WIN32)
 	#include <al.h>
 	#include <alc.h>
-	#include <alext.h>
+	//#include <alext.h>
 #elif defined(__APPLE__)
 	#include <OpenAL/al.h>
 	#include <OpenAL/alc.h>