diff --git a/src/vs/editor/contrib/find/findWidget.ts b/src/vs/editor/contrib/find/findWidget.ts
index 7bc4430334f5e..2308d817cd6c3 100644
--- a/src/vs/editor/contrib/find/findWidget.ts
+++ b/src/vs/editor/contrib/find/findWidget.ts
@@ -289,6 +289,7 @@ export class FindWidget extends Widget implements IOverlayWidget, IHorizontalSas
 			if (this._state.isReplaceRevealed) {
 				if (!this._codeEditor.getConfiguration().readOnly && !this._isReplaceVisible) {
 					this._isReplaceVisible = true;
+					this._replaceInputBox.width = this._findInput.inputBox.width;
 					this._updateButtons();
 				}
 			} else {