diff --git a/code/WorkInProgress/Chemistry-Reagents.dm b/code/WorkInProgress/Chemistry-Reagents.dm
index 91be062683a..eaeb9b31ab8 100644
--- a/code/WorkInProgress/Chemistry-Reagents.dm
+++ b/code/WorkInProgress/Chemistry-Reagents.dm
@@ -924,7 +924,7 @@ datum
 				if(!M) M = holder.my_atom
 				M:eye_blurry = max(M:eye_blurry-5 , 0)
 				M:eye_blind = max(M:eye_blind-5 , 0)
-				M:sdisabilities &= 1
+				M:sdisabilities &= ~1
 				..()
 				return