diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5d508c9118..5d20ddf7c2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -226,7 +226,11 @@ if( NOT NO_OPENAL )
 			set( ZDOOM_LIBS ${OPENAL_LIBRARY} ${ZDOOM_LIBS} )
 		endif()
     else()
-        set( NO_OPENAL ON )
+		if ( NOT WIN32 )
+			set( NO_OPENAL ON )
+		else()
+			include_directories( ${OPENAL_INCLUDE_DIR} )
+		endif()
     endif()
 endif()