diff --git a/src/accessibility/gridOutput.js b/src/accessibility/gridOutput.js
index f5b4936cd5..cbeb03ae50 100644
--- a/src/accessibility/gridOutput.js
+++ b/src/accessibility/gridOutput.js
@@ -10,6 +10,14 @@ import p5 from '../core/main';
 
 //updates gridOutput
 p5.prototype._updateGridOutput = function(idT) {
+  // Check if the current rendering mode is WEBGL
+  if (this._renderer && this._renderer instanceof p5.RendererGL) {
+    if (!this._didOutputGridWebGLMessage) {
+      this._didOutputGridWebGLMessage = true;
+      console.error('gridOutput() does not yet work in WebGL mode.');
+    }
+    return;
+  }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {
     return;
diff --git a/src/accessibility/textOutput.js b/src/accessibility/textOutput.js
index 1fe2dc8137..bc3a7b3134 100644
--- a/src/accessibility/textOutput.js
+++ b/src/accessibility/textOutput.js
@@ -10,6 +10,14 @@ import p5 from '../core/main';
 
 //updates textOutput
 p5.prototype._updateTextOutput = function(idT) {
+  // Check if the current rendering mode is WEBGL
+  if (this._renderer && this._renderer instanceof p5.RendererGL) {
+    if (!this._didOutputTextWebGLMessage) {
+      this._didOutputTextWebGLMessage = true;
+      console.error('textOutput() does not yet work in WebGL mode.');
+    }
+    return;
+  }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {
     return;