diff --git a/code/modules/spells/spell_types/shapeshift.dm b/code/modules/spells/spell_types/shapeshift.dm
index 85ef6a8e3e1..32989fd2da5 100644
--- a/code/modules/spells/spell_types/shapeshift.dm
+++ b/code/modules/spells/spell_types/shapeshift.dm
@@ -54,7 +54,7 @@
 		else
 			M = Shapeshift(M)
 		// Are we currently ventcrawling?
-		if(!M.movement_type & (VENTCRAWLING))
+		if(!(M.movement_type & VENTCRAWLING))
 			return
 
 		// Can our new form support ventcrawling?