diff --git a/src/ikarus.boot b/src/ikarus.boot
index 30f8fac..7d56d01 100644
Binary files a/src/ikarus.boot and b/src/ikarus.boot differ
diff --git a/src/libtoplevel.ss b/src/ikarus.main.ss
similarity index 100%
rename from src/libtoplevel.ss
rename to src/ikarus.main.ss
diff --git a/src/makefile.ss b/src/makefile.ss
index e333eb4..4811a5a 100755
--- a/src/makefile.ss
+++ b/src/makefile.ss
@@ -61,7 +61,7 @@
       "ikarus.cafe.ss"
       "ikarus.posix.ss"
       "ikarus.timer.ss"
-      "libtoplevel.ss"))
+      "ikarus.main.ss"))
 
   (define ikarus-system-macros
     '([define            (define)]