diff --git a/korman/exporter/material.py b/korman/exporter/material.py
index f66f52d..eb817b1 100644
--- a/korman/exporter/material.py
+++ b/korman/exporter/material.py
@@ -476,11 +476,11 @@ class MaterialConverter:
         # Whoever wrote this PyHSPlasma binding didn't follow the convention. Sigh.
         visregions = []
         for region in texture.plasma_layer.vis_regions:
-            rgn = bpy.data.objects.get(region.region_name, None)
+            rgn = region.control_region
             if rgn is None:
-                raise ExportError("'{}': VisControl '{}' not found".format(texture.name, region.region_name))
+                raise ExportError("'{}': Has an invalid Visibility Control".format(texture.name))
             if not rgn.plasma_modifiers.visregion.enabled:
-                raise ExportError("'{}': '{}' is not a VisControl".format(texture.name, region.region_name))
+                raise ExportError("'{}': '{}' is not a VisControl".format(texture.name, rgn.name))
             visregions.append(self._mgr.find_create_key(plVisRegion, bl=rgn))
         pl_env.visRegions = visregions
 
diff --git a/korman/properties/prop_texture.py b/korman/properties/prop_texture.py
index bfd93a7..8cf3c26 100644
--- a/korman/properties/prop_texture.py
+++ b/korman/properties/prop_texture.py
@@ -16,10 +16,18 @@
 import bpy
 from bpy.props import *
 
-class EnvMapVisRegion(bpy.types.PropertyGroup):
+from .. import idprops
+
+class EnvMapVisRegion(idprops.IDPropObjectMixin, bpy.types.PropertyGroup):
     enabled = BoolProperty(default=True)
-    region_name = StringProperty(name="Control",
-                                 description="Object defining a Plasma Visibility Control")
+    control_region = PointerProperty(name="Control",
+                                     description="Object defining a Plasma Visibility Control",
+                                     type=bpy.types.Object,
+                                     poll=idprops.poll_visregion_objects)
+
+    @classmethod
+    def _idprop_mapping(cls):
+        return {"control_region": "region_name"}
 
 
 class PlasmaLayer(bpy.types.PropertyGroup):
diff --git a/korman/ui/ui_texture.py b/korman/ui/ui_texture.py
index 98fbf8a..ba706de 100644
--- a/korman/ui/ui_texture.py
+++ b/korman/ui/ui_texture.py
@@ -52,7 +52,7 @@ class PlasmaEnvMapPanel(TextureButtonsPanel, bpy.types.Panel):
         op.index = layer_props.active_region_index
         rgns = layer_props.vis_regions
         if layer_props.vis_regions:
-            layout.prop_search(rgns[layer_props.active_region_index], "region_name", bpy.data, "objects")
+            layout.prop(rgns[layer_props.active_region_index], "control_region")
 
         layout.separator()
         layout.prop(layer_props, "envmap_color")