diff --git a/Source/AudioDecoder.cpp b/Source/AudioDecoder.cpp
index 42bd4543..ff210878 100644
--- a/Source/AudioDecoder.cpp
+++ b/Source/AudioDecoder.cpp
@@ -25,7 +25,9 @@
 
 #include <discordcoreapi/Utilities.hpp>
 #include <discordcoreapi/AudioDecoder.hpp>
+extern "C" {
 #include <libavcodec/avcodec.h>
+}
 
 namespace DiscordCoreInternal {
 
diff --git a/Include/discordcoreapi/AudioDecoder.hpp b/Include/discordcoreapi/AudioDecoder.hpp
--- a/Include/discordcoreapi/AudioDecoder.hpp	(revision 1ecbbc1b3a7f6bd3ff5e6ca0be8606ec50f17ec1)
+++ b/Include/discordcoreapi/AudioDecoder.hpp	(revision 3c80cf0c54719008610fc96bb457345bf0170701)
@@ -29,6 +29,7 @@
 #include <opus/opus.h>

 extern "C" {
+#include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
 #include <libswresample/swresample.h>
 }