diff --git a/src/loaders/MaterialLoader.js b/src/loaders/MaterialLoader.js
index c0e274e8fde74e051c803ebd5c587eaa503254a0..f22e097c15543c2cf64d819d3aa94b901ebd4bd3 100644
--- a/src/loaders/MaterialLoader.js
+++ b/src/loaders/MaterialLoader.js
@@ -115,6 +115,7 @@ THREE.MaterialLoader.prototype = {
 		if ( json.roughnessMap !== undefined ) material.roughnessMap = this.getTexture( json.roughnessMap );
 		if ( json.metalnessMap !== undefined ) material.metalnessMap = this.getTexture( json.metalnessMap );
 
+		if ( json.emissiveMap !== undefined ) material.emissiveMap = this.getTexture( json.emissiveMap );
 		if ( json.specularMap !== undefined ) material.specularMap = this.getTexture( json.specularMap );
 
 		if ( json.envMap !== undefined ) {
diff --git a/src/materials/Material.js b/src/materials/Material.js
index ae45b1960266d9c58103e35c2087cba0d1ebac00..c9230bd27744974e29406c8cca7d29c676678ead 100644
--- a/src/materials/Material.js
+++ b/src/materials/Material.js
@@ -172,7 +172,10 @@ THREE.Material.prototype = {
 		}
 		if ( this.roughnessMap instanceof THREE.Texture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid;
 		if ( this.metalnessMap instanceof THREE.Texture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid;
+
+		if ( this.emissiveMap instanceof THREE.Texture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid;
 		if ( this.specularMap instanceof THREE.Texture ) data.specularMap = this.specularMap.toJSON( meta ).uuid;
+
 		if ( this.envMap instanceof THREE.Texture ) {
 
 			data.envMap = this.envMap.toJSON( meta ).uuid;
diff --git a/src/math/Quaternion.js b/src/math/Quaternion.js
index 4fa833a9700f034e84af86d92ec81c134676b9d7..fe72141b1adeec12679488bdcca3f5b82550b597 100644
--- a/src/math/Quaternion.js
+++ b/src/math/Quaternion.js
@@ -538,7 +538,7 @@ Object.assign( THREE.Quaternion, {
 
 				cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1,
 
-				dir = ( cos >= 0 ? 1 : -1 ),
+				dir = ( cos >= 0 ? 1 : - 1 ),
 				sqrSin = 1 - cos * cos;
 
 			// Skip the Slerp for tiny steps to avoid numeric problems:
@@ -573,7 +573,7 @@ Object.assign( THREE.Quaternion, {
 
 		}
 
-		dst[   dstOffset   ] = x0;
+		dst[ dstOffset ] = x0;
 		dst[ dstOffset + 1 ] = y0;
 		dst[ dstOffset + 2 ] = z0;
 		dst[ dstOffset + 3 ] = w0;