diff --git a/Mac/mwerks/old/mwerks_nsgusi_config.h b/Mac/mwerks/old/mwerks_nsgusi_config.h
index 4d9d660b9dc..79e45eaf80d 100644
--- a/Mac/mwerks/old/mwerks_nsgusi_config.h
+++ b/Mac/mwerks/old/mwerks_nsgusi_config.h
@@ -2,7 +2,9 @@
 // #define USE_STDWIN
 // #define USE_MACTCP
 #define USE_BGEN
+#ifndef __CFM68K__
 #define USE_MACSPEECH
+#endif
 // #define USE_IMG
 #define USE_MACCTB
 #ifdef __powerc