diff --git a/code/modules/antagonists/thief/thief.dm b/code/modules/antagonists/thief/thief.dm
index 43ee50bae70..cc52f7a4891 100644
--- a/code/modules/antagonists/thief/thief.dm
+++ b/code/modules/antagonists/thief/thief.dm
@@ -171,3 +171,8 @@
 	thief.dna.update_ui_block(DNA_SKIN_TONE_BLOCK)
 	thief.update_hair()
 	thief.update_body()
+
+	// This outfit is used by the assets SS, which is ran before the atoms SS
+	if (SSatoms.initialized == INITIALIZATION_INSSATOMS)
+		thief.wear_mask?.update_greyscale()
+		thief.update_inv_wear_mask()
diff --git a/code/modules/unit_tests/screenshots/screenshot_antag_icons_opportunist.png b/code/modules/unit_tests/screenshots/screenshot_antag_icons_opportunist.png
index 63668193247..2ebcdc0b5c8 100644
Binary files a/code/modules/unit_tests/screenshots/screenshot_antag_icons_opportunist.png and b/code/modules/unit_tests/screenshots/screenshot_antag_icons_opportunist.png differ
diff --git a/code/modules/unit_tests/screenshots/screenshot_antag_icons_thief.png b/code/modules/unit_tests/screenshots/screenshot_antag_icons_thief.png
index 63668193247..2ebcdc0b5c8 100644
Binary files a/code/modules/unit_tests/screenshots/screenshot_antag_icons_thief.png and b/code/modules/unit_tests/screenshots/screenshot_antag_icons_thief.png differ