diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43286658..b97bf8df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,6 +16,7 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 elseif(MSVC)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
+	add_definitions(-D_CRT_SECURE_NO_WARNINGS)
 endif()
 
 #set(BUILD_SHARED_LIBS FALSE)
diff --git a/src/Engine/Sound/SoundSystem.cpp b/src/Engine/Sound/SoundSystem.cpp
index a55c1fee..cd83d9c6 100644
--- a/src/Engine/Sound/SoundSystem.cpp
+++ b/src/Engine/Sound/SoundSystem.cpp
@@ -116,7 +116,11 @@ void SoundSystem::updateEmitters(double dt)
         setSourcePos(it->second->ALsource, nextPos);
         setSourceVel(it->second->ALsource, velocity);
         float gain;
-        (bool)(it->second->Type) ? gain = m_SFXVolumeChannel : gain = m_BGMVolumeChannel;
+        if (it->second->Type == SoundType::SFX) {
+            gain = m_SFXVolumeChannel;
+        } else if (it->second->Type == SoundType::BGM) {
+            gain = m_BGMVolumeChannel;
+        }
         auto emitter = m_World->GetComponent(it->first, "SoundEmitter");
         setSoundProperties(it->second->ALsource, &emitter);