diff --git a/scripts/max4ds/init.ms b/scripts/max4ds/init.ms
index bcc425b..e8d6ab2 100644
--- a/scripts/max4ds/init.ms
+++ b/scripts/max4ds/init.ms
@@ -2,7 +2,7 @@
     local set_heapsize = 64 * 1024 * 1024  --64 MiB
     if heapsize < set_heapsize then heapsize = set_heapsize
    
-    global Max4ds_version = "v0.8.0"
+    global Max4ds_version = "v0.8.1"
     --global Max4ds_scriptsPath = getFilenamePath (getThisScriptFilename())
     
     fn DisableScript file = (
diff --git a/scripts/max4ds/material.ms b/scripts/max4ds/material.ms
index 7655e8a..32714fd 100644
--- a/scripts/max4ds/material.ms
+++ b/scripts/max4ds/material.ms
@@ -417,11 +417,15 @@ remap:#(
             grpDiffuse.width = rltParams.width - 16
             grpEnv.width = rltParams.width - 16
             grpAlpha.width = rltParams.width - 16
-            grpAnim.width = rltParams.width - 16            
-            btnDiffuseMap.width = rltParams.width - btnDiffuseMap.pos.x - 16            
-            btnEnvMap.width = rltParams.width - btnEnvMap.pos.x - 16
-            btnAlphaMap.width = rltParams.width - btnAlphaMap.pos.x - 16
-            ddlEnvType.width = rltParams.width - ddlEnvType.pos.x - 16
+            grpAnim.width = rltParams.width - 16    
+            
+            local maxver = (maxVersion())[1]
+            if maxVer >= 21000 do (
+                btnDiffuseMap.width = rltParams.width - btnDiffuseMap.pos.x - 16            
+                btnEnvMap.width = rltParams.width - btnEnvMap.pos.x - 16
+                btnAlphaMap.width = rltParams.width - btnAlphaMap.pos.x - 16
+                ddlEnvType.width = rltParams.width - ddlEnvType.pos.x - 16
+            )
             
             ::mat4ds_disable_set = undefined
             --format "on open\n"