diff --git a/examples/jsm/exporters/GLTFExporter.js b/examples/jsm/exporters/GLTFExporter.js
index 2da060f940b591..15b0bdb5f3a90c 100644
--- a/examples/jsm/exporters/GLTFExporter.js
+++ b/examples/jsm/exporters/GLTFExporter.js
@@ -761,7 +761,7 @@ class GLTFWriter {
 	/**
 	 * Serializes a userData.
 	 *
-	 * @param {THREE.Object3D|THREE.Material|THREE.BufferGeometry|THREE.AnimationClip} object
+	 * @param {THREE.Object3D|THREE.Material|THREE.BufferGeometry|THREE.AnimationClip|THREE.Texture} object
 	 * @param {Object} objectDef
 	 */
 	serializeUserData( object, objectDef ) {
@@ -1506,6 +1506,8 @@ class GLTFWriter {
 			wrapT: THREE_TO_WEBGL[ map.wrapT ]
 		};
 
+		this.serializeUserData( map, samplerDef );
+
 		return json.samplers.push( samplerDef ) - 1;
 
 	}
diff --git a/examples/jsm/loaders/GLTFLoader.js b/examples/jsm/loaders/GLTFLoader.js
index 38f8c14fb50063..8af2c8b208ccc3 100644
--- a/examples/jsm/loaders/GLTFLoader.js
+++ b/examples/jsm/loaders/GLTFLoader.js
@@ -2376,7 +2376,7 @@ function addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {
 /**
  *
  * @private
- * @param {Object3D|Material|BufferGeometry|Object|AnimationClip} object
+ * @param {Object3D|Material|BufferGeometry|Object|AnimationClip|Texture} object
  * @param {GLTF.definition} gltfDef
  */
 function assignExtrasToUserData( object, gltfDef ) {
@@ -3336,14 +3336,16 @@ class GLTFParser {
 			}
 
 			const samplers = json.samplers || {};
-			const sampler = samplers[ textureDef.sampler ] || {};
+			const samplerDef = samplers[ textureDef.sampler ] || {};
 
-			texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter;
-			texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter;
-			texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping;
-			texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping;
+			texture.magFilter = WEBGL_FILTERS[ samplerDef.magFilter ] || LinearFilter;
+			texture.minFilter = WEBGL_FILTERS[ samplerDef.minFilter ] || LinearMipmapLinearFilter;
+			texture.wrapS = WEBGL_WRAPPINGS[ samplerDef.wrapS ] || RepeatWrapping;
+			texture.wrapT = WEBGL_WRAPPINGS[ samplerDef.wrapT ] || RepeatWrapping;
 			texture.generateMipmaps = ! texture.isCompressedTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter;
 
+			assignExtrasToUserData( texture, samplerDef );
+
 			parser.associations.set( texture, { textures: textureIndex } );
 
 			return texture;
@@ -3431,8 +3433,6 @@ class GLTFParser {
 
 			}
 
-			assignExtrasToUserData( texture, sourceDef );
-
 			texture.userData.mimeType = sourceDef.mimeType || getImageURIMimeType( sourceDef.uri );
 
 			return texture;