diff --git a/src/OBJFile.js b/src/OBJFile.js
index f4c9e6e..b1faa56 100644
--- a/src/OBJFile.js
+++ b/src/OBJFile.js
@@ -28,7 +28,15 @@ class OBJFile {
     for (let i = 0; i < lines.length; i += 1) {
       const line = _stripComments(lines[i]);
 
-      const lineItems = line.replace(/\s+/g, ' ').trim().split(' ');
+      // splitting by blanks. For mtllib entry, balanced quote (single or double) around referreed file is stripped and file name having blanks is supported.
+      let lineItems;
+      let mtllibMatch = line.match(/^\s*(mtllib)\s+(['"]?)(.*?)\2\s*$/i);
+
+      if (mtllibMatch) {
+        lineItems = [mtllibMatch[1].toLowerCase(), mtllibMatch[3]];
+      } else {
+        lineItems = line.replace(/\s+/g, ' ').trim().split(' ');
+      }
 
       switch (lineItems[0].toLowerCase()) {
         case 'o': // Start A New Model