diff --git a/src/code/sunos-os.lisp b/src/code/sunos-os.lisp
index f3d17a60d8d889efdebd8cf821507061ad60336a..4971a82f513ab6fe239e18e99b76163d62fc63f7 100644
--- a/src/code/sunos-os.lisp
+++ b/src/code/sunos-os.lisp
@@ -22,7 +22,9 @@
 (pushnew :sunos *features*)
 
 #+solaris
-(register-lisp-feature :solaris)
+(progn
+  (register-lisp-feature :solaris)
+  (register-lisp-feature :elf))
 #+svr4
 (register-lisp-feature :svr4)