diff --git a/src/mol-canvas3d/passes/draw.ts b/src/mol-canvas3d/passes/draw.ts
index 7fd53fd90c73e74b2a4bac3e9c730286971569a8..a6a6bf3985e373c930a1a9c63340c30cfa329ada 100644
--- a/src/mol-canvas3d/passes/draw.ts
+++ b/src/mol-canvas3d/passes/draw.ts
@@ -46,7 +46,6 @@ export class DrawPass {
         const { gl } = webgl
         if (toDrawingBuffer) {
             webgl.unbindFramebuffer()
-            gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight)
         } else {
             colorTarget.bind()
         }