diff --git a/src/macros.rs b/src/macros.rs
index e47809f..660358d 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -2,7 +2,7 @@
 macro_rules! external_library
 {
    {
-      $name: ident : $link: ty
+      $name: ident : $link: expr =>
       {
          $(statics:
             $($sname: ident: $stype: ty),+;