diff --git a/src/config/front-ends/win32/win32.h b/src/config/front-ends/win32/win32.h
index b6bc3e5..551274a 100644
--- a/src/config/front-ends/win32/win32.h
+++ b/src/config/front-ends/win32/win32.h
@@ -4,7 +4,7 @@
 
 #include <stdio.h>
 
-#if !defined (COMPILE_FOR_HOST)
+#if !defined (COMPILE_FOR_BUILD)
 /* A replacement for stdio in a windowed environment */
 
 #if 0
diff --git a/src/config/os/linux/linux.h b/src/config/os/linux/linux.h
index eb1cc17..90e174d 100644
--- a/src/config/os/linux/linux.h
+++ b/src/config/os/linux/linux.h
@@ -83,7 +83,7 @@ extern int ROMlib_launch_native_app (int n_filenames, char **filenames);
 #define	DB_DBM_HSEARCH	1
 #include <db.h>
 
-#if !defined (COMPILE_FOR_HOST)
+#if !defined (COMPILE_FOR_BUILD)
 
 extern void _dbm_fetch (datum *datump, DBM *db, datum datum);
 extern void _dbm_firstkey (datum *datump, DBM *db);
diff --git a/src/config/os/macosx/macosx.h b/src/config/os/macosx/macosx.h
index 2a40945..8593e6e 100644
--- a/src/config/os/macosx/macosx.h
+++ b/src/config/os/macosx/macosx.h
@@ -85,7 +85,7 @@ extern int ROMlib_launch_native_app (int n_filenames, char **filenames);
 
 #include <ndbm.h>
 
-#if !defined (COMPILE_FOR_HOST)
+#if !defined (COMPILE_FOR_BUILD)
 
 extern void _dbm_fetch (datum *datump, DBM *db, datum datum);
 extern void _dbm_firstkey (datum *datump, DBM *db);