diff --git a/source/export/exporterobj.js b/source/export/exporterobj.js
index 6473f64..eb98e17 100644
--- a/source/export/exporterobj.js
+++ b/source/export/exporterobj.js
@@ -44,7 +44,7 @@ OV.ExporterObj = class extends OV.ExporterBase
             mtlWriter.WriteArrayLine (['Ka', material.ambient.r / 255.0, material.ambient.g / 255.0, material.ambient.b / 255.0]);
             mtlWriter.WriteArrayLine (['Kd', material.diffuse.r / 255.0, material.diffuse.g / 255.0, material.diffuse.b / 255.0]);
             mtlWriter.WriteArrayLine (['Ks', material.specular.r / 255.0, material.specular.g / 255.0, material.specular.b / 255.0]);
-            mtlWriter.WriteArrayLine (['Ns', material.shininess * 100.0]);
+            mtlWriter.WriteArrayLine (['Ns', material.shininess * 1000.0]);
             mtlWriter.WriteArrayLine (['d', material.opacity]);
             WriteTexture (mtlWriter, 'map_Kd', material.diffuseMap, files);
             WriteTexture (mtlWriter, 'map_Ks', material.specularMap, files);
diff --git a/source/external/three.converter.js b/source/external/three.converter.js
index 2020e6f..cc2e129 100644
--- a/source/external/three.converter.js
+++ b/source/external/three.converter.js
@@ -39,7 +39,7 @@ OV.ConvertModelToThreeMeshes = function (model, callbacks)
 			color : diffuseColor,
 			specular : specularColor,
 			emissive : emissiveColor,
-			shininess : material.shininess * 10.0,
+			shininess : material.shininess * 100.0,
 			opacity : material.opacity,
 			transparent : material.transparent,
 			alphaTest : material.alphaTest,
diff --git a/source/import/importer3ds.js b/source/import/importer3ds.js
index 04e58e9..3ebeff5 100644
--- a/source/import/importer3ds.js
+++ b/source/import/importer3ds.js
@@ -163,8 +163,8 @@ OV.Importer3ds = class extends OV.ImporterBase
             }
         });
 
-        if (shininess !== null || shininessStrength !== null) {
-            material.shininess = shininess * shininessStrength;
+        if (shininess !== null && shininessStrength !== null) {
+            material.shininess = shininess * shininessStrength / 10.0;
         }
         let materialIndex = this.model.AddMaterial (material);
         this.materialNameToIndex[material.name] = materialIndex;
diff --git a/source/import/importerobj.js b/source/import/importerobj.js
index 12a65b5..198bc28 100644
--- a/source/import/importerobj.js
+++ b/source/import/importerobj.js
@@ -258,7 +258,7 @@ OV.ImporterObj = class extends OV.ImporterBase
             if (this.currentMaterial === null || parameters.length < 1) {
                 return true;
             }
-            this.currentMaterial.shininess = parseFloat (parameters[0]) / 100.0;
+            this.currentMaterial.shininess = parseFloat (parameters[0]) / 1000.0;
             return true;
         } else if (keyword === 'tr') {
             if (this.currentMaterial === null || parameters.length < 1) {