diff --git a/source/compress_specification.json b/source/compress_specification.json
index a5418315..a0302c7b 100644
--- a/source/compress_specification.json
+++ b/source/compress_specification.json
@@ -27,6 +27,7 @@
     { "Source": "./resource/textures/terrain_texture.json", "Destination": "../resource/textures/terrain_texture.json" },
     { "Source": "./resource/ui/ui.json", "Destination": "../resource/ui/ui.json" },
     { "Source": "./resource/ui/_ui_defs.json", "Destination": "../resource/ui/_ui_defs.json" },
+    { "Source": "./resource/ui/_global_variables.json", "Destination": "../resource/ui/_global_variables.json" },
     { "Source": "./resource/ui/ui.json", "Destination": "../resource/ui/ui.json" },
     { "Source": "./behavior/animation_controllers/animation_controller.json", "Destination": "../behavior/animation_controllers/animation_controller.json" },
     { "Source": "./behavior/animations/animations.json", "Destination": "../behavior/animations/animations.json" },