diff --git a/src/Experimental.h b/src/Experimental.h
index 9f0b06c7c..f6c06c9be 100644
--- a/src/Experimental.h
+++ b/src/Experimental.h
@@ -84,7 +84,9 @@
 // 2.0 release
 //#define EXPERIMENTAL_OD_FLAC
 // similarly for FFmpeg:
-#define EXPERIMENTAL_OD_FFMPEG 1
+#ifndef __WXGTK__ // Won't build on Fedora 17, per http://bugzilla.audacityteam.org/show_bug.cgi?id=539.
+   #define EXPERIMENTAL_OD_FFMPEG 1
+#endif
 
 // Philip Van Baren 01 July 2009
 // Replace RealFFT() and PowerSpectrum function to use (faster) RealFFTf function