diff --git a/code/game/machinery/_machinery.dm b/code/game/machinery/_machinery.dm
index e40f366024c0..f1c3ce20125f 100644
--- a/code/game/machinery/_machinery.dm
+++ b/code/game/machinery/_machinery.dm
@@ -294,7 +294,7 @@ Class Procs:
 			to_chat(H, span_warning("HULK NOT NERD. HULK SMASH!!!"))
 			return FALSE // hulks cant use machines
 
-		else if(!(Adjacent(user) || H.dna.check_mutation(TK)))
+		else if(!Adjacent(user) || !H.dna.check_mutation(TK))
 			return FALSE // need to be close or have telekinesis
 
 	return TRUE
@@ -684,4 +684,4 @@ Class Procs:
 	if(can_be_occupant(caller))
 		return TRUE
 
-	
\ No newline at end of file
+