diff --git a/src/ikarus.boot b/src/ikarus.boot
index 12fc942..45b6aff 100644
Binary files a/src/ikarus.boot and b/src/ikarus.boot differ
diff --git a/src/ikarus.intel-assembler.ss b/src/ikarus.intel-assembler.ss
index 67f1ec8..f627a65 100644
--- a/src/ikarus.intel-assembler.ss
+++ b/src/ikarus.intel-assembler.ss
@@ -39,7 +39,10 @@
 
 (library (ikarus intel-assembler)
   (export assemble-sources)
-  (import (scheme))
+  (import 
+    (ikarus)
+    (ikarus system $codes)
+    (ikarus system $pairs))
 
 (define fold
   (lambda (f init ls)