--- a/cmake_modules/FindSDL2_mixer.cmake	Tue Mar 29 22:36:59 2016 +0300
+++ b/cmake_modules/FindSDL2_mixer.cmake	Mon Apr 25 22:10:06 2016 +0300
@@ -74,6 +74,12 @@
 set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
 set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR})
 
+if(BUILD_ENGINE_JS)
+    set(SDL2_MIXER_LIBRARY "sdl2_mixer_emscripten_internal")
+    set(SDL2_MIXER_LIBRARIES "sdl2_mixer_emscripten_internal")
+    set(SDL2_MIXER_INCLUDE_DIRS "${CMAKE_SYSTEM_INCLUDE_PATH}/SDL")
+endif()
+
 include(FindPackageHandleStandardArgs)
 
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer