diff --git a/examples/webgl_materials_envmaps_exr.html b/examples/webgl_materials_envmaps_exr.html
index 70df6ab080512f7ae754cdc1a7bb1bc49d0dda56..33eb3e8ee06ee9ca5fce3eda4225769b9b707f24 100644
--- a/examples/webgl_materials_envmaps_exr.html
+++ b/examples/webgl_materials_envmaps_exr.html
@@ -171,7 +171,7 @@
 				gui.add( params, 'envMap', [ 'EXR', 'PNG' ] );
 				gui.add( params, 'roughness', 0, 1, 0.01 );
 				gui.add( params, 'metalness', 0, 1, 0.01 );
-				gui.add( params, 'exposure', 0, 2 );
+				gui.add( params, 'exposure', 0, 2, 0.01 );
 				gui.add( params, 'debug', false );
 				gui.open();
 
diff --git a/examples/webgl_materials_envmaps_hdr.html b/examples/webgl_materials_envmaps_hdr.html
index 142d446ecbe7ba42fccad9f460c2d015883b3d09..f43399073e71d5ae4ff3239d9f2572fb65049ac8 100644
--- a/examples/webgl_materials_envmaps_hdr.html
+++ b/examples/webgl_materials_envmaps_hdr.html
@@ -188,7 +188,7 @@
 				gui.add( params, 'envMap', [ 'LDR', 'HDR', 'RGBM16' ] );
 				gui.add( params, 'roughness', 0, 1, 0.01 );
 				gui.add( params, 'metalness', 0, 1, 0.01 );
-				gui.add( params, 'exposure', 0, 2 );
+				gui.add( params, 'exposure', 0, 2, 0.01 );
 				gui.add( params, 'debug', false );
 				gui.open();