diff --git a/intern/SoundSystem/openal/SND_OpenALDevice.cpp b/intern/SoundSystem/openal/SND_OpenALDevice.cpp
index e8dd591f6c6..0050c9eb56a 100644
--- a/intern/SoundSystem/openal/SND_OpenALDevice.cpp
+++ b/intern/SoundSystem/openal/SND_OpenALDevice.cpp
@@ -261,7 +261,7 @@ SND_OpenALDevice::SND_OpenALDevice()
 	{
 #ifdef OUDE_OPENAL
 		ALenum alc_error = ALC_NO_ERROR;	// openal_2.12
-#elif _WIN32
+#elif defined(_WIN32)
 		// alcGetError has no arguments on windows
 		ALenum alc_error = alcGetError();       // openal_2.14+
 #else