diff --git a/streamlit_ace/__init__.py b/streamlit_ace/__init__.py
index 1c20471..333c9cc 100644
--- a/streamlit_ace/__init__.py
+++ b/streamlit_ace/__init__.py
@@ -66,6 +66,8 @@ def st_ace(
     annotations=None,
     markers=None,
     auto_update=False,
+    enable_basic_autocompletion=True,
+    enable_live_autocompletion=True,
     key=None
 ):
     """Display an Ace editor.
@@ -118,6 +120,10 @@ def st_ace(
     auto_update : bool
         Choose whether Streamlit auto updates on input change, or waits
         for user validation. False by default.
+    enable_basic_autocompletion : bool
+        Enable autocompletion pop-up upon pressing ctrl+space. True by default.
+    enable_live_autocompletion : bool
+        Enable automatic autocompletion pop-up. True by default.
     key : str
         An optional string to use as the unique key for the widget.
         If this is omitted, a key will be generated for the widget
@@ -147,6 +153,8 @@ def st_ace(
         annotations=annotations or [],
         markers=markers or [],
         autoUpdate=auto_update,
+        enableBasicAutocompletion=enable_basic_autocompletion,
+        enableLiveAutocompletion=enable_live_autocompletion,
         key=key,
         default=str(value),
     )
diff --git a/streamlit_ace/frontend/src/Ace.tsx b/streamlit_ace/frontend/src/Ace.tsx
index 9171583..134a3ea 100644
--- a/streamlit_ace/frontend/src/Ace.tsx
+++ b/streamlit_ace/frontend/src/Ace.tsx
@@ -91,8 +91,6 @@ const Ace = ({ args, theme }: AceProps) => {
 
 
   // Set default prop values that shouldn't be exposed to python
-  args.enableBasicAutocompletion = true
-  args.enableLiveAutocompletion = true
   args.onChange = handleChange
   args.width = "100%"