diff --git a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_button.md b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_button.md
index 3a4023c..03ff67c 100644
--- a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_button.md
+++ b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_button.md
@@ -23,9 +23,11 @@ default {
         if(msg==button_name){
             if(visible){
                 llSetAlpha(0,ALL_SIDES);//invisible
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", 0.0, PRIM_GLTF_ALPHA_MODE_MASK, 1.0, ""]);
             }
             else{
                 llSetAlpha(1,ALL_SIDES);//visible
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", "", "", "", ""]);
             }
             llMessageLinked(LINK_SET,90005,"",id); // give back the menu
             visible=!visible;
diff --git a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_pose.md b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_pose.md
index e6b8752..438ea75 100644
--- a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_pose.md
+++ b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_pose.md
@@ -28,9 +28,11 @@ default{
                 string POSE_NAME = llList2String(data,1);
                 if(llListFindList(POSES,[POSE_NAME])!=-1){
                     llSetAlpha(0,ALL_SIDES);//invisible
+                    llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", 0.0, PRIM_GLTF_ALPHA_MODE_MASK, 1.0, ""]);
                 }
                 else{
                     llSetAlpha(1,ALL_SIDES);//visible
+                    llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", "", "", "", ""]);
                 }
             }
         }
diff --git a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sit.md b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sit.md
index 06de173..7cf7d48 100644
--- a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sit.md
+++ b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sit.md
@@ -17,11 +17,13 @@ default{
             if(llGetAgentSize(llGetLinkKey(llGetNumberOfPrims()))==ZERO_VECTOR){
                 //make prim visible
                 llSetAlpha(1,ALL_SIDES);
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", "", "", "", ""]);
             }
             // if avatars are sitting
             else{
                 //make prim invisible
                 llSetAlpha(0,ALL_SIDES);
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", 0.0, PRIM_GLTF_ALPHA_MODE_MASK, 1.0, ""]);
             }
         }
     }
diff --git a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sittarget.md b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sittarget.md
index 86c0e7d..27a47fb 100644
--- a/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sittarget.md
+++ b/_avsitter2_lsl_examples_advanced/avsitter2_lsl_example_show_and_hide_prim_by_sittarget.md
@@ -14,9 +14,11 @@ default{
         if(change & CHANGED_LINK){
             if(llAvatarOnSitTarget() == NULL_KEY){
                 llSetAlpha(1,ALL_SIDES);//visible
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", "", "", "", ""]);
             }
             else{
                 llSetAlpha(0,ALL_SIDES);//invisible
+                llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_GLTF_BASE_COLOR, ALL_SIDES, "", "", "", "", "", 0.0, PRIM_GLTF_ALPHA_MODE_MASK, 1.0, ""]);
             }
         }
     }