diff --git a/src/extension.ts b/src/extension.ts
index a738fc5..02fd31d 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -53,12 +53,13 @@ function createFIMPrompt(prefix: string, language: string): string {
     return `<fim_prefix>${prefix}<fim_middle><fim_suffix>${language}\n`;
 }
 
+
 const previewDecorationType = vscode.window.createTextEditorDecorationType({
     after: {
         color: '#888888', // Grayed-out preview text
         fontStyle: 'italic',
     },
-    isWholeLine: true, // Support multiline properly
+    isWholeLine: true, // Ensure it handles multiline properly
 });
 
 async function autocompleteCommand(textEditor: vscode.TextEditor, cancellationToken?: vscode.CancellationToken) {
@@ -119,12 +120,13 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, cancellationTo
                         range,
                         renderOptions: {
                             after: {
-                                contentText: line, // Show each line
+                                contentText: line, // Show each line properly
                             }
                         }
                     };
                 });
 
+                // Set decorations for each line
                 textEditor.setDecorations(previewDecorationType, previewRanges);
 
                 const disposable = vscode.workspace.onDidChangeTextDocument(async (event) => {
@@ -150,7 +152,11 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, cancellationTo
                             const edit = new vscode.WorkspaceEdit();
                             const insertPosition = new vscode.Position(position.line, 0);
                             edit.insert(document.uri, insertPosition, '\n' + completionText);
-                            await vscode.workspace.applyEdit(edit);
+
+                            // Ensure response is added only once
+                            if (!document.getText().includes(completionText)) {
+                                await vscode.workspace.applyEdit(edit);
+                            }
 
                             const newPosition = new vscode.Position(position.line + lines.length, lines[lines.length - 1].length);
                             textEditor.selection = new vscode.Selection(newPosition, newPosition);
@@ -173,6 +179,7 @@ async function autocompleteCommand(textEditor: vscode.TextEditor, cancellationTo
 
 
 
+
 async function provideCompletionItems(document: vscode.TextDocument, position: vscode.Position, cancellationToken: vscode.CancellationToken) {
     const item = new vscode.CompletionItem("Fabelous autocompletion");
     item.insertText = new vscode.SnippetString('${1:}');