diff --git a/packages/tui/src/components/input.ts b/packages/tui/src/components/input.ts
index e5c3b4f7..ff982c4e 100644
--- a/packages/tui/src/components/input.ts
+++ b/packages/tui/src/components/input.ts
@@ -420,7 +420,7 @@ export class Input implements Component, Focusable {
 		this.pushUndo();
 
 		// Clean the pasted text - remove newlines and carriage returns
-		const cleanText = pastedText.replace(/\r\n/g, "").replace(/\r/g, "").replace(/\n/g, "");
+		const cleanText = pastedText.replace(/\r\n/g, "").replace(/\r/g, "").replace(/\n/g, "").replace(/\t/g, "    ");
 
 		// Insert at cursor position
 		this.value = this.value.slice(0, this.cursor) + cleanText + this.value.slice(this.cursor);