diff --git a/plugin/gnupg.vim b/plugin/gnupg.vim
index 61fae04..38cf471 100644
--- a/plugin/gnupg.vim
+++ b/plugin/gnupg.vim
@@ -240,7 +240,7 @@ function s:GPGInit()
   if (has("unix"))
     " unix specific settings
     let s:shellredir = &shellredir
-    let s:shell = 'sh'
+    let s:shell = '/bin/sh'
     let s:stderrredirnull = '2>/dev/null'
     let s:GPGCommand = "LANG=C LC_ALL=C " . s:GPGCommand
   else