diff --git a/lib/lib_audio/ESP8266Audio/src/AudioGeneratorMIDI.cpp b/lib/lib_audio/ESP8266Audio/src/AudioGeneratorMIDI.cpp
index 5f1c5f3a3..59b2d4807 100644
--- a/lib/lib_audio/ESP8266Audio/src/AudioGeneratorMIDI.cpp
+++ b/lib/lib_audio/ESP8266Audio/src/AudioGeneratorMIDI.cpp
@@ -58,6 +58,10 @@
 
 #include "AudioGeneratorMIDI.h"
 
+#if defined(ESP32) && (__GNUC__ >= 8) && (__XTENSA__)
+// Do not build, Espressif's GCC8+ has a compiler bug
+#else // __GNUC__ == 8
+
 #pragma GCC optimize ("O3")
 
 #define TSF_NO_STDIO
@@ -637,3 +641,4 @@ void AudioGeneratorMIDI::MakeStreamFromAFS(AudioFileSource *src, tsf_stream *afs
   afs->size = &afs_size;
 }
 
+#endif //__GNUC__ == 8