diff --git a/LEGO1/lego/sources/geom/legounkown100db7f4.h b/LEGO1/lego/sources/geom/legounkown100db7f4.h
index d039a830..9bbffc03 100644
--- a/LEGO1/lego/sources/geom/legounkown100db7f4.h
+++ b/LEGO1/lego/sources/geom/legounkown100db7f4.h
@@ -37,8 +37,8 @@ struct LegoUnknown100db7f4 : public LegoEdge {
 	// FUNCTION: BETA10 0x1004a830
 	LegoU32 Unknown(LegoWEGEdge& p_face, LegoU8 p_mask)
 	{
-		return (p_face.IsEqual(*m_faceB) && m_flags & c_bit1 && p_face.GetMask0x03() & p_mask == p_mask) ||
-			   (p_face.IsEqual(*m_faceA) && m_flags & c_bit2 && p_face.GetMask0x03() & p_mask == p_mask);
+		return (p_face.IsEqual(*m_faceB) && (m_flags & c_bit1) && (p_face.GetMask0x03() & p_mask) == p_mask) ||
+			   (p_face.IsEqual(*m_faceA) && (m_flags & c_bit2) && (p_face.GetMask0x03() & p_mask) == p_mask);
 	}
 
 	// FUNCTION: BETA10 0x1001cbe0