diff --git a/src/ol/canvas/canvas.exports b/src/ol/canvas/canvas.exports
new file mode 100644
index 0000000000..dd557e9681
--- /dev/null
+++ b/src/ol/canvas/canvas.exports
@@ -0,0 +1 @@
+@exportSymbol ol.canvas.SUPPORTED
diff --git a/src/ol/canvas/canvas.js b/src/ol/canvas/canvas.js
index 266718953d..0cf1dad4a9 100644
--- a/src/ol/canvas/canvas.js
+++ b/src/ol/canvas/canvas.js
@@ -1,4 +1,5 @@
 goog.provide('ol.canvas');
+goog.provide('ol.canvas.SUPPORTED');
 
 goog.require('goog.dom');
 goog.require('goog.dom.TagName');
diff --git a/src/ol/renderer/canvas/canvasrenderer.js b/src/ol/renderer/canvas/canvasrenderer.js
index 902495b1b8..412f4757cd 100644
--- a/src/ol/renderer/canvas/canvasrenderer.js
+++ b/src/ol/renderer/canvas/canvasrenderer.js
@@ -1,6 +1,6 @@
 goog.provide('ol.renderer.canvas.SUPPORTED');
 
-goog.require('ol.canvas');
+goog.require('ol.canvas.SUPPORTED');
 
 
 /**
diff --git a/src/ol/renderer/webgl/webglrenderer.js b/src/ol/renderer/webgl/webglrenderer.js
index fbbd2e6ce4..3e95ff7e3f 100644
--- a/src/ol/renderer/webgl/webglrenderer.js
+++ b/src/ol/renderer/webgl/webglrenderer.js
@@ -1,6 +1,6 @@
 goog.provide('ol.renderer.webgl.SUPPORTED');
 
-goog.require('ol.webgl');
+goog.require('ol.webgl.SUPPORTED');
 
 
 /**
diff --git a/src/ol/webgl/webgl.exports b/src/ol/webgl/webgl.exports
new file mode 100644
index 0000000000..e0e5ef70f0
--- /dev/null
+++ b/src/ol/webgl/webgl.exports
@@ -0,0 +1 @@
+@exportSymbol ol.webgl.SUPPORTED
diff --git a/src/ol/webgl/webgl.js b/src/ol/webgl/webgl.js
index 0345159bb2..cd785cb5d2 100644
--- a/src/ol/webgl/webgl.js
+++ b/src/ol/webgl/webgl.js
@@ -1,4 +1,5 @@
 goog.provide('ol.webgl');
+goog.provide('ol.webgl.SUPPORTED');
 goog.provide('ol.webgl.WebGLContextEventType');
 
 goog.require('goog.dom');