Fix for error messages when loading completions

1 files changed, 1 insertions, 1 deletions

diff --git a/env.cpp b/env.cpp
index 51b503a1..ed558f19 100644
--- a/env.cpp
+++ b/env.cpp
@@ -1151,7 +1151,7 @@ env_var_t env_get_string( const wcstring &key )
 	      {
 		if( res->val == ENV_NULL ) 
 		  {
-		    return wcstring(L"");
+		    return env_var_t::missing_var();
 		  }
 		else
 		  {