diff --git a/Obj2Tiles/Utils.cs b/Obj2Tiles/Utils.cs
index 9e3b423..7a16a4c 100644
--- a/Obj2Tiles/Utils.cs
+++ b/Obj2Tiles/Utils.cs
@@ -86,7 +86,7 @@ private static IEnumerable<string> GetMtlDependencies(string mtlPath)
 
             if (trimmedLine.StartsWith("map_Ns"))
             {
-                dependencies.Add(trimmedLine[7..]);
+                dependencies.Add(trimmedLine[7..].Trim());
 
                 continue;
             }
@@ -172,4 +172,4 @@ public static void ConvertB3dm(string objPath, string destPath)
 
         File.WriteAllBytes(destPath, b3dm.ToBytes());
     }
-}
\ No newline at end of file
+}