diff --git a/Mac/mwerks/mwerks_applet_config.h b/Mac/mwerks/mwerks_applet_config.h
index 3cf3f45b41d..3e54034dfda 100644
--- a/Mac/mwerks/mwerks_applet_config.h
+++ b/Mac/mwerks/mwerks_applet_config.h
@@ -23,6 +23,7 @@
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
 #define USE_GDBM		/* Include the gdbm module */
 #define USE_ZLIB		/* Include the zlib module */
+#define USE_APPEARANCE	/* Enable Appearance support */
 #ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
diff --git a/Mac/mwerks/mwerks_nonshared_config.h b/Mac/mwerks/mwerks_nonshared_config.h
index b6414f4cddc..4746c400766 100644
--- a/Mac/mwerks/mwerks_nonshared_config.h
+++ b/Mac/mwerks/mwerks_nonshared_config.h
@@ -23,6 +23,7 @@
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
 #define USE_GDBM		/* Include the gdbm module */
 #define USE_ZLIB		/* Include the zlib module */
+#define USE_APPEARANCE	/* Enable Appearance support */
 #ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif
diff --git a/Mac/mwerks/mwerks_shared_config.h b/Mac/mwerks/mwerks_shared_config.h
index 0dbdcdace84..9f91f7ea023 100644
--- a/Mac/mwerks/mwerks_shared_config.h
+++ b/Mac/mwerks/mwerks_shared_config.h
@@ -25,6 +25,7 @@
 /* #define USE_MALLOC_DEBUG			/* Enable range checking and other malloc debugging */
 /* #define USE_GDBM		/* Include the gdbm module */
 /* #define USE_ZLIB		/* Include the zlib module */
+#define USE_APPEARANCE	/* Enable Appearance support */
 #ifdef __powerc
 #define USE_CACHE_ALIGNED 8		/* Align on 32-byte boundaries for 604 */
 #endif