diff --git a/cores/libretro-ffmpeg/fft/fft.cpp b/cores/libretro-ffmpeg/fft/fft.cpp
index 14c0d67bf2..f91b825eee 100644
--- a/cores/libretro-ffmpeg/fft/fft.cpp
+++ b/cores/libretro-ffmpeg/fft/fft.cpp
@@ -17,7 +17,7 @@
 #include <glm/gtc/type_ptr.hpp>
 using namespace glm;
 
-#define GL_DEBUG 0
+#undef GL_DEBUG
 #if GL_DEBUG
 #define GL_CHECK_ERROR() do { \
    if (glGetError() != GL_NO_ERROR) \