diff --git a/src/execution/execution_helpers.c b/src/execution/execution_helpers.c
index 65054df..12d4e1f 100644
--- a/src/execution/execution_helpers.c
+++ b/src/execution/execution_helpers.c
@@ -165,6 +165,10 @@ static int exec_assignment(struct list *assignment_list, struct hash_map *vars)
         struct ast_assignment *assignment =
             ast_get_assignment(assignment_list->data);
 
+        if (assignment->global)
+        {
+            setenv(assignment->name, assignment->value, 1);
+        }
         set_var_copy(vars, assignment->name, assignment->value);
         assignment_list = assignment_list->next;
     }