diff --git a/src/mol-gl/webgl/context.ts b/src/mol-gl/webgl/context.ts
index 2ec22c9923b0c82eb51cd33b77c74970557ee3fd..2bb18df68c470d0c606afcff84a3c3677564b9b3 100644
--- a/src/mol-gl/webgl/context.ts
+++ b/src/mol-gl/webgl/context.ts
@@ -107,6 +107,7 @@ function waitForGpuCommandsComplete(gl: GLRenderingContext): Promise<void> {
 }
 
 function waitForGpuCommandsCompleteSync(gl: GLRenderingContext): void {
+    gl.bindFramebuffer(gl.FRAMEBUFFER, null)
     gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, tmpPixel)
 }