diff --git a/lib/Makefile b/lib/Makefile
index 5e65515..46bcb59 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -3,7 +3,7 @@ all: ikarus.boot
 
 ikarus.boot: *.ss
 	cp ikarus.boot ikarus.boot.back
-	echo '(load "makefile.ss")' | time ../bin/ikarus -b ikarus.boot
+	../bin/ikarus -b ikarus.boot --script makefile.ss
 
 clean:
 	rm -f *.fasl
diff --git a/lib/ikarus.boot b/lib/ikarus.boot
index 08b3096..30131dc 100644
Binary files a/lib/ikarus.boot and b/lib/ikarus.boot differ
diff --git a/lib/makefile.ss b/lib/makefile.ss
index 63f4d8c..806bf9c 100644
--- a/lib/makefile.ss
+++ b/lib/makefile.ss
@@ -266,6 +266,7 @@
                  [expand-mode 'bootstrap]
                  [interaction-environment system-env])
      (printf "compiling ~a ...\n" ifile)
+     (flush-output-port)
      (compile-file ifile ofile 'replace)))
 
 (for-each