diff --git a/configure/os/CONFIG.Common.RTEMS-pc386 b/configure/os/CONFIG.Common.RTEMS-pc386
index 0c6088783..2b20b974a 100644
--- a/configure/os/CONFIG.Common.RTEMS-pc386
+++ b/configure/os/CONFIG.Common.RTEMS-pc386
@@ -12,7 +12,7 @@ MUNCH_SUFFIX = .boot
 MUNCHNAME = $(PRODNAME:%$(EXE)=%$(MUNCH_SUFFIX))
 define MUNCH_CMD
 	$(RTEMS_TOOLS)/bin/$(OBJCOPY_FOR_TARGET) -O binary -R .comment -S $< temp.bin
-	$(PROJECT_RELEASE)/build-tools/bin2boot $@ 0x00097E00 \
+	$(BIN2BOOT) $@ 0x00097E00 \
 		$(PROJECT_RELEASE)/lib/start16.bin 0x00097C00 0 temp.bin 0x00100000 0
 	rm -f temp.bin
 endef