diff --git a/CMakeLists.txt b/CMakeLists.txt
index 496cd638..949653e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,6 +175,7 @@ find_package(GLEW REQUIRED)
 
 if (OPENAL_SOUND)
     find_package(OpenAL REQUIRED)
+    include_directories(${OPENAL_INCLUDE_DIR})
     find_package(LibSndFile REQUIRED)
 endif()
 
diff --git a/src/sound/oalsound/alsound.h b/src/sound/oalsound/alsound.h
index ad32204b..cd44ae9f 100644
--- a/src/sound/oalsound/alsound.h
+++ b/src/sound/oalsound/alsound.h
@@ -32,7 +32,7 @@
 #include <map>
 #include <string>
 
-#include <AL/al.h>
+#include <al.h>
 
 
 class ALSound : public CSoundInterface
diff --git a/src/sound/oalsound/buffer.h b/src/sound/oalsound/buffer.h
index d8474266..e693d755 100644
--- a/src/sound/oalsound/buffer.h
+++ b/src/sound/oalsound/buffer.h
@@ -30,7 +30,7 @@
 #include <vector>
 #include <array>
 
-#include <AL/al.h>
+#include <al.h>
 #include <sndfile.h>
 
 class Buffer
diff --git a/src/sound/oalsound/channel.h b/src/sound/oalsound/channel.h
index a04b5099..2930f26c 100644
--- a/src/sound/oalsound/channel.h
+++ b/src/sound/oalsound/channel.h
@@ -30,8 +30,8 @@
 #include <deque>
 #include <cassert>
 
-#include <AL/al.h>
-#include <AL/alc.h>
+#include <al.h>
+#include <alc.h>
 
 struct SoundOper
 {
diff --git a/src/sound/oalsound/check.h b/src/sound/oalsound/check.h
index f677e17c..b8f67c03 100644
--- a/src/sound/oalsound/check.h
+++ b/src/sound/oalsound/check.h
@@ -18,11 +18,11 @@
 
 #pragma once
 
-#include <AL/al.h>
-#include <AL/alc.h>
-
 #include "common/logger.h"
 
+#include <al.h>
+#include <alc.h>
+
 static ALenum CODE = AL_NO_ERROR;
 
 inline bool alCheck()