diff --git a/addons/xterm-addon-canvas/src/BaseRenderLayer.ts b/addons/xterm-addon-canvas/src/BaseRenderLayer.ts
index 9a6464c1..83cce363 100644
--- a/addons/xterm-addon-canvas/src/BaseRenderLayer.ts
+++ b/addons/xterm-addon-canvas/src/BaseRenderLayer.ts
@@ -30,9 +30,9 @@ export abstract class BaseRenderLayer implements IRenderLayer {
   private _scaledCharLeft: number = 0;
   private _scaledCharTop: number = 0;
 
-  private _selectionStart: [number, number] | undefined;
-  private _selectionEnd: [number, number] | undefined;
-  private _columnSelectMode: boolean = false;
+  protected _selectionStart: [number, number] | undefined;
+  protected _selectionEnd: [number, number] | undefined;
+  protected _columnSelectMode: boolean = false;
 
   protected _charAtlas: BaseCharAtlas | undefined;
 
diff --git a/addons/xterm-addon-canvas/src/SelectionRenderLayer.ts b/addons/xterm-addon-canvas/src/SelectionRenderLayer.ts
index 2fa82c0d..3738591e 100644
--- a/addons/xterm-addon-canvas/src/SelectionRenderLayer.ts
+++ b/addons/xterm-addon-canvas/src/SelectionRenderLayer.ts
@@ -42,8 +42,11 @@ export class SelectionRenderLayer extends BaseRenderLayer {
 
   public resize(dim: IRenderDimensions): void {
     super.resize(dim);
-    // Resizing the canvas discards the contents of the canvas so clear state
-    this._clearState();
+    // On resize use the base render layer's cached selection values since resize clears _state
+    // inside reset.
+    if (this._selectionStart && this._selectionEnd) {
+      this.onSelectionChanged(this._selectionStart, this._selectionEnd, this._columnSelectMode);
+    }
   }
 
   public reset(): void {