diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 2fff268e..54de9cb5 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -76,7 +76,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   tesseract-ocr-fra \
   tesseract-ocr-por \
   tesseract-ocr-spa \
-  ttyd \
   unpaper \
   && rm -rf /var/lib/apt/lists/*
 
diff --git a/.docker/Dockerfile.alpine b/.docker/Dockerfile.alpine
index 6b83368f..4e7aa3f4 100644
--- a/.docker/Dockerfile.alpine
+++ b/.docker/Dockerfile.alpine
@@ -64,7 +64,6 @@ RUN apk add --no-cache \
     tesseract-ocr-data-por \
     tesseract-ocr-data-spa \
     ttf-droid \
-    ttyd \
     unpaper \
     && rm -rf /var/cache/apk/*
 
diff --git a/misc/_webservice.py b/misc/_webservice.py
index 95106cb0..b006a1ba 100644
--- a/misc/_webservice.py
+++ b/misc/_webservice.py
@@ -16,7 +16,6 @@ import os
 import subprocess
 import sys
 import time
-import urllib
 from functools import partial
 from operator import getitem
 from pathlib import Path
@@ -25,7 +24,6 @@ from tempfile import NamedTemporaryFile
 
 import pikepdf
 import streamlit as st
-from port_for import get_port
 from streamlit.components.v1 import iframe
 
 from ocrmypdf._defaults import DEFAULT_ROTATE_PAGES_THRESHOLD
@@ -43,10 +41,6 @@ def get_host_url_with_port(port: int) -> str:
 
 st.title("OCRmyPDF Web Service")
 
-if not which("ttyd"):
-    st.error("Missing dependency: ttyd. Please install ttyd to the local environment.")
-    sys.exit(1)
-
 uploaded = st.file_uploader("Upload input PDF or image", type=["pdf"], key="file")
 
 mode = st.selectbox("Mode", options=["normal", "skip-text", "force-ocr", "redo-ocr"])
@@ -220,32 +214,28 @@ if uploaded:
         key='run_button',
     ):
         st.session_state['running'] = True
-        args = [sys.executable, '-m', "ocrmypdf"] + args
-        cmdline = " ".join(args)
-        st.code(cmdline, language="bash")
+        args = [sys.executable, '-u', '-m', "ocrmypdf"] + args
 
-        port = get_port((5000, 7000))
-        ttyd_args = ['ttyd', '--port', str(port), '--once', '--readonly']
+        proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        with st.container(border=True):
+            while proc.poll() is None:
+                line = proc.stderr.readline()
+                if line:
+                    st.html("<code>" + line.decode().strip() + "</code>")
 
-        ttyd_proc = subprocess.Popen(
-            ttyd_args + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        if proc.returncode != 0:
+            st.error(f"ocrmypdf failed with exit code {proc.returncode}")
+            st.session_state['running'] = False
+            st.stop()
+
+        if Path(output_file.name).stat().st_size == 0:
+            st.error("No output PDF file was generated")
+            st.stop()
+
+        st.download_button(
+            label="Download output PDF",
+            data=input_file.read(),
+            file_name=uploaded.name,
+            mime="application/pdf",
         )
-        iframe(src=get_host_url_with_port(port), height=400)
-
-        while ttyd_proc.poll() is None:
-            ttyd_proc.poll()
-            time.sleep(1)
-
-        if ttyd_proc.returncode == 0:
-            if Path(output_file.name).stat().st_size == 0:
-                st.error("No output PDF file was generated")
-            else:
-                st.download_button(
-                    label="Download output PDF",
-                    data=input_file.read(),
-                    file_name=uploaded.name,
-                    mime="application/pdf",
-                )
-        else:
-            st.error(f"ttyd failed with exit code {ttyd_proc.returncode}")
         st.session_state['running'] = False
diff --git a/pyproject.toml b/pyproject.toml
index 111640ec..34955e9f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,10 +63,7 @@ test = [
   "types-humanfriendly",
 ]
 watcher = ["watchdog>=1.0.2", "typer-slim[standard]", "python-dotenv"]
-webservice = [
-    "port-for>=0.7.4",
-    "streamlit>=1.41.0",
-]
+webservice = ["streamlit>=1.41.0"]
 
 [project.scripts]
 ocrmypdf = "ocrmypdf.__main__:run"