diff --git a/SuperBMDLib/source/Arguments.cs b/SuperBMDLib/source/Arguments.cs
index 563eb86..3d3a194 100644
--- a/SuperBMDLib/source/Arguments.cs
+++ b/SuperBMDLib/source/Arguments.cs
@@ -32,6 +32,12 @@ public Arguments(string[] args)
 
             for (int i = 0; i < args.Length; i++)
             {
+				if (args[0].EndsWith(".bmd") || args[0].EndsWith(".bdl"))
+					input_path = args[0];
+                else
+                    if (i + 1 >= args.Length)
+                    throw new Exception("The parameters were malformed.");
+
                 switch (args[i])
                 {
                     case "-i":
@@ -82,8 +88,6 @@ public Arguments(string[] args)
                     case "--bdl":
                         output_bdl = true;
                         break;
-                    default:
-                        throw new Exception($"Unknown parameter \"{ args[i] }\"");
                 }
             }
 
diff --git a/SuperBMDLib/source/BMD/MAT3.cs b/SuperBMDLib/source/BMD/MAT3.cs
index 19135f9..716a2b2 100644
--- a/SuperBMDLib/source/BMD/MAT3.cs
+++ b/SuperBMDLib/source/BMD/MAT3.cs
@@ -776,9 +776,9 @@ public void FillScene(Assimp.Scene scene, TEX1 textures, string fileDir)
                 {
                     int texIndex = mat.TextureIndices[0];
                     //texIndex = m_TexRemapBlock[texIndex];
-                    string texPath = Path.Combine(fileDir, textures[texIndex].Name + ".png");
+                    string texFilename = textures[texIndex].Name + ".png";
 
-                    Assimp.TextureSlot tex = new Assimp.TextureSlot(texPath, Assimp.TextureType.Diffuse, 0,
+                    Assimp.TextureSlot tex = new Assimp.TextureSlot(texFilename, Assimp.TextureType.Diffuse, 0,
                         Assimp.TextureMapping.FromUV, 0, 1.0f, Assimp.TextureOperation.Add,
                         textures[texIndex].WrapS.ToAssImpWrapMode(), textures[texIndex].WrapT.ToAssImpWrapMode(), 0);