diff --git a/bin/toolbox b/bin/toolbox
index f4e6487..67007f2 100755
--- a/bin/toolbox
+++ b/bin/toolbox
@@ -775,7 +775,7 @@ def fzf_run(items: list[str], extra_args: list[str]) -> str | None:
         _FZF_BASE + extra_args,
         input="\n".join(items),
         text=True,
-        capture_output=True,
+        stdout=subprocess.PIPE,
     )
     return result.stdout.strip() if result.returncode == 0 and result.stdout.strip() else None
 
@@ -787,7 +787,7 @@ def fzf_run_keyed(items: list[str], extra_args: list[str],
         _FZF_BASE + [f"--expect={expect}"] + extra_args,
         input="\n".join(items),
         text=True,
-        capture_output=True,
+        stdout=subprocess.PIPE,
     )
     if result.returncode != 0 or not result.stdout.strip():
         return ("", None)