diff --git a/src/core/libraries/avplayer/avplayer_source.cpp b/src/core/libraries/avplayer/avplayer_source.cpp
index 99ba2e8b6..51cd4bbd8 100644
--- a/src/core/libraries/avplayer/avplayer_source.cpp
+++ b/src/core/libraries/avplayer/avplayer_source.cpp
@@ -20,6 +20,18 @@ extern "C" {
 #include <libswscale/swscale.h>
 }
 
+// The av_err2str macro in libavutil/error.h does not play nice with C++ 
+// More info: https://github.com/joncampbell123/composite-video-simulator/issues/5
+#ifdef av_err2str
+#undef av_err2str
+#include <string>
+av_always_inline std::string av_err2string(int errnum) {
+    char errbuf[AV_ERROR_MAX_STRING_SIZE];
+    return av_make_error_string(errbuf, AV_ERROR_MAX_STRING_SIZE, errnum);
+}
+#define av_err2str(err) av_err2string(err).c_str()
+#endif  // av_err2str
+
 namespace Libraries::AvPlayer {
 
 using namespace Kernel;