diff --git a/interface/resources/qml/hifi/tablet/NewModelDialog.qml b/interface/resources/qml/hifi/tablet/NewModelDialog.qml
index 47d28486a9..e6459fe7bb 100644
--- a/interface/resources/qml/hifi/tablet/NewModelDialog.qml
+++ b/interface/resources/qml/hifi/tablet/NewModelDialog.qml
@@ -11,8 +11,11 @@
 
 import QtQuick 2.5
 import QtQuick.Controls 1.4
+import QtQuick.Dialogs 1.2 as OriginalDialogs
+
 import "../../styles-uit"
 import "../../controls-uit"
+import "../dialogs"
 
 Rectangle {
     id: newModelDialog
@@ -25,6 +28,15 @@ Rectangle {
     property bool punctuationMode: false
     property bool keyboardRasied: false
 
+    function errorMessageBox(message) {
+        return desktop.messageBox({
+            icon: hifi.icons.warning,
+            defaultButton: OriginalDialogs.StandardButton.Ok,
+            title: "Error",
+            text: message
+        });
+    }
+
     Item {
         id: column1
         anchors.rightMargin: 10
@@ -98,7 +110,6 @@ Rectangle {
                 CheckBox {
                     id: dynamic
                     text: qsTr("Dynamic")
-                    
                 }
 
                 Row {
@@ -139,15 +150,39 @@ Rectangle {
 
                 ComboBox {
                     id: collisionType
+
+                    property int priorIndex: 0
+                    property string staticMeshCollisionText: "Exact - All polygons"
+                    property var collisionArray: ["No Collision",
+                                                  "Basic - Whole model",
+                                                  "Good - Sub-meshes",
+                                                  staticMeshCollisionText, 
+                                                  "Box", 
+                                                  "Sphere"]
+
                     width: 200
                     z: 100
                     transformOrigin: Item.Center
-                    model: ["No Collision",
-                            "Basic - Whole model",
-                            "Good - Sub-meshes",
-                            "Exact - All polygons", 
-                            "Box", 
-                            "Sphere"]
+                    model: collisionArray
+
+                    onCurrentIndexChanged: {
+                        if (collisionArray[currentIndex] === staticMeshCollisionText) {
+                            
+                            if (dynamic.checked) {
+                                currentIndex = priorIndex;
+
+                                errorMessageBox("Models with Automatic Collisions set to \"" + staticMeshCollisionText + "\" cannot be dynamic.");
+                                //--EARLY EXIT--( Can't have a static mesh model that's dynamic )
+                                return;
+                            }
+
+                            dynamic.enabled = false;
+                        } else {
+                            dynamic.enabled = true;
+                        }
+
+                        priorIndex = currentIndex;
+                    }
                 }
 
                 Row {