diff --git a/libs/cyclone/foreign.sld b/libs/cyclone/foreign.sld
index 470212b5..7d82e001 100644
--- a/libs/cyclone/foreign.sld
+++ b/libs/cyclone/foreign.sld
@@ -17,7 +17,7 @@
  (export
    c-code
    c-value
-   c-defun
+   c-define
    c->scm
    scm->c
  )
@@ -111,7 +111,7 @@
             (error "c->scm unable to convert C object of type " ,type)))))))
   
   ;(pretty-print (
-  (define-syntax c-defun
+  (define-syntax c-define
     (er-macro-transformer
       (lambda (expr rename compare)
         (let* ((scm-fnc (cadr expr))
@@ -151,7 +151,7 @@
               )
         `(define-c ,scm-fnc ,args ,body)
           ))))
-  ; '(c-defun scm-strlen int "strlen" string)
+  ; '(c-define scm-strlen int "strlen" string)
   ; list
   ; list))
 
diff --git a/libs/test-foreign.scm b/libs/test-foreign.scm
index 9889aae8..3635011f 100644
--- a/libs/test-foreign.scm
+++ b/libs/test-foreign.scm
@@ -27,8 +27,8 @@
 )
 
 ;; Must be top-level
-(c-defun scm-strlen int "strlen" string)
-(c-defun scm-strlend double "strlen" string)
+(c-define scm-strlen int "strlen" string)
+(c-define scm-strlend double "strlen" string)
 
 (test-group "foreign lambda"
   (test 15 (scm-strlen "testing 1, 2, 3"))