diff --git a/src/prompt.rs b/src/prompt.rs
index 34e3ada0e..42510995b 100644
--- a/src/prompt.rs
+++ b/src/prompt.rs
@@ -16,7 +16,7 @@ pub fn get_fish_prompt(env_name: &str) -> String {
     format!(
         "functions -c fish_prompt old_fish_prompt; \
          function fish_prompt; \
-             echo \"({}) $(old_fish_prompt)\"; \
+             echo \"({})\" (old_fish_prompt); \
          end;",
         env_name
     )