diff --git a/CMakeLists.txt b/CMakeLists.txt
index acfcbdb0..f9bb91d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,11 +59,11 @@ if(EMSCRIPTEN)
   set(ZLIB_LIBRARIES "-s USE_ZLIB=1")
   set(ZLIB_INCLUDE_DIR "${EMSCRIPTEN_ROOT_PATH}/tests/zlib")
   add_subdirectory(deps/assimp assimp)
-  include_directories(deps/assimp/include)
+  include_directories(deps/assimp/include ${CMAKE_BINARY_DIR}/assimp/include)
   set(LOVR_ASSIMP assimp)
 elseif(WIN32)
   add_subdirectory(deps/assimp assimp)
-  include_directories(deps/assimp/include)
+  include_directories(deps/assimp/include ${CMAKE_BINARY_DIR}/assimp/include)
   set(LOVR_ASSIMP assimp)
 else()
   pkg_search_module(ASSIMP REQUIRED assimp)
@@ -174,6 +174,7 @@ if(EMSCRIPTEN)
 elseif(WIN32)
   add_subdirectory(deps/openal-soft openal)
   include_directories(deps/openal-soft/include)
+  set_target_properties(OpenAL32 PROPERTIES COMPILE_FLAGS "/wd4005 /wd4098")
   set(LOVR_OPENAL OpenAL32)
 else()
   pkg_search_module(OPENAL openal-soft)