diff --git a/README.md b/README.md
index 0912b14..365948d 100644
--- a/README.md
+++ b/README.md
@@ -170,6 +170,13 @@ are embedded, otherwise they will use the flags from their own import settings.
 The collision layer for the maps and objects imported. If you need custom layers for
 each object, consider using a post-import script.
 
+### Collision Mask (Map only)
+
+**Default: `1`**
+
+The collision mask for the maps and objects imported. If you need custom masks for
+each object, consider using a post-import script.
+
 ### Embed Internal Images
 
 **Default: `Off`**
diff --git a/addons/vnen.tiled_importer/tiled_import_plugin.gd b/addons/vnen.tiled_importer/tiled_import_plugin.gd
index 7b45c1d..84a976b 100644
--- a/addons/vnen.tiled_importer/tiled_import_plugin.gd
+++ b/addons/vnen.tiled_importer/tiled_import_plugin.gd
@@ -84,6 +84,11 @@ func get_import_options(preset):
 			"default_value": 1,
 			"property_hint": PROPERTY_HINT_LAYERS_2D_PHYSICS
 		},
+		{
+			"name": "collision_mask",
+			"default_value": 1,
+			"property_hint": PROPERTY_HINT_LAYERS_2D_PHYSICS
+		},
 		{
 			"name": "embed_internal_images",
 			"default_value": true if preset == PRESET_PIXEL_ART else false
diff --git a/addons/vnen.tiled_importer/tiled_map_reader.gd b/addons/vnen.tiled_importer/tiled_map_reader.gd
index df8571d..8182892 100644
--- a/addons/vnen.tiled_importer/tiled_map_reader.gd
+++ b/addons/vnen.tiled_importer/tiled_map_reader.gd
@@ -232,6 +232,7 @@ func make_layer(layer, parent, root, data):
 		tilemap.cell_clip_uv = options.uv_clip
 		tilemap.cell_y_sort = true
 		tilemap.collision_layer = options.collision_layer
+		tilemap.collision_mask = options.collision_mask
 		tilemap.z_index = z_index
 
 		var offset = Vector2()