diff --git a/libevmasm/RuleList.h b/libevmasm/RuleList.h
index f86d77bc7c54..abcf170c6504 100644
--- a/libevmasm/RuleList.h
+++ b/libevmasm/RuleList.h
@@ -93,12 +93,12 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleList(
 			if (A.d() > 255)
 				return u256(0);
 			return u256(bigint(B.d()) << unsigned(A.d()));
-		}},
+		}, false},
 		{{Instruction::SHR, {A, B}}, [=]{
 			if (A.d() > 255)
 				return u256(0);
 			return B.d() >> unsigned(A.d());
-		}},
+		}, false},
 
 		// invariants involving known constants
 		{{Instruction::ADD, {X, 0}}, [=]{ return X; }, false},