diff --git a/bin/ikarus b/bin/ikarus
index 1a0f2d5..c8e9047 100755
Binary files a/bin/ikarus and b/bin/ikarus differ
diff --git a/bin/ikarus-data.h b/bin/ikarus-data.h
index 5fbd02e..93c3ce3 100644
--- a/bin/ikarus-data.h
+++ b/bin/ikarus-data.h
@@ -10,7 +10,7 @@
 #define disp_code_code_size 4
 #define disp_code_reloc_vector 8
 #define disp_code_freevars 12
-#define disp_code_data 16
+#define disp_code_data 24
 #define off_code_data (disp_code_data - code_pri_tag)
 #define off_code_reloc_vector (disp_code_reloc_vector - code_pri_tag)
 
diff --git a/src/ikarus.boot b/src/ikarus.boot
index f93b02a..2aefbcc 100644
Binary files a/src/ikarus.boot and b/src/ikarus.boot differ
diff --git a/src/ikarus.compiler.ss b/src/ikarus.compiler.ss
index 85393d5..2557b92 100644
--- a/src/ikarus.compiler.ss
+++ b/src/ikarus.compiler.ss
@@ -1795,7 +1795,7 @@
   (define disp-code-instrsize      4)
   (define disp-code-relocsize      8)
   (define disp-code-freevars      12)
-  (define disp-code-data          16)
+  (define disp-code-data          24)
   
   (define port-tag              #x3F)
   (define output-port-tag       #x7F)
@@ -1828,6 +1828,10 @@
   (define align-shift 3)
   (define dirty-word -1))
 
+(module ()
+  ;;; initialize the cogen
+  (code-entry-adjustment (- disp-code-data vector-tag)))
+
 (begin ;;; COGEN HELERS
   (define (align n)
     (fxsll (fxsra (fx+ n (fxsub1 object-alignment)) align-shift) align-shift))
diff --git a/src/ikarus.intel-assembler.ss b/src/ikarus.intel-assembler.ss
index 17e7591..7081b05 100644
--- a/src/ikarus.intel-assembler.ss
+++ b/src/ikarus.intel-assembler.ss
@@ -1,7 +1,7 @@
 
 
 (library (ikarus intel-assembler)
-  (export assemble-sources)
+  (export assemble-sources code-entry-adjustment)
   (import 
     (ikarus)
     (ikarus code-objects)
@@ -908,6 +908,12 @@
           [else (f (cdr ls))])))))
 
 
+(define code-entry-adjustment
+  (let ([v #f])
+    (case-lambda
+      [() (or v (error 'code-entry-adjustment "uninitialized"))]
+      [(x) (set! v x)])))
+
 (define whack-reloc
   (lambda (thunk?-label code vec)
     (define reloc-idx 0)
@@ -957,7 +963,8 @@
            (let ([loc (label-loc v)])
              (let ([obj (car loc)] [disp (cadr loc)])
                (vector-set! vec reloc-idx (fxlogor 2 (fxsll idx 2)))
-               (vector-set! vec (fx+ reloc-idx 1) (fx+ disp 11))
+               (vector-set! vec (fx+ reloc-idx 1) 
+                  (fx+ disp (code-entry-adjustment)))
                (vector-set! vec (fx+ reloc-idx 2) obj)))
            (set! reloc-idx (fx+ reloc-idx 3))]
           [(local-relative)
@@ -977,7 +984,8 @@
                  (error 'whack-reloc "invalid relative jump obj=~s  disp=~s\n" 
                         obj disp))
                (vector-set! vec reloc-idx (fxlogor 3 (fxsll idx 2)))
-               (vector-set! vec (fx+ reloc-idx 1) (fx+ disp 11))
+               (vector-set! vec (fx+ reloc-idx 1) 
+                 (fx+ disp (code-entry-adjustment)))
                (vector-set! vec (fx+ reloc-idx 2) obj)))
            (set! reloc-idx (fx+ reloc-idx 3))]
           [else (error 'whack-reloc "invalid reloc type ~s" type)]))