diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc
index a74b92f9d..49ddfd4cd 100644
--- a/kernel/rtlil.cc
+++ b/kernel/rtlil.cc
@@ -352,6 +352,11 @@ bool RTLIL::Const::operator<(const RTLIL::Const &other) const
 
 bool RTLIL::Const::operator ==(const RTLIL::Const &other) const
 {
+	if (is_str() && other.is_str())
+		return get_str() == other.get_str();
+	if (is_bits() && other.is_bits())
+		return get_bits() == other.get_bits();
+
 	if (size() != other.size())
 		return false;
 
diff --git a/tests/unit/kernel/rtlilTest.cc b/tests/unit/kernel/rtlilTest.cc
index 99ddf44cc..b2b2e7076 100644
--- a/tests/unit/kernel/rtlilTest.cc
+++ b/tests/unit/kernel/rtlilTest.cc
@@ -204,6 +204,24 @@ namespace RTLIL {
 		EXPECT_EQ(c, Const(0xe, 4));
 	}
 
+	TEST_F(KernelRtlilTest, ConstEqualStr) {
+		EXPECT_EQ(Const("abc"), Const("abc"));
+		EXPECT_NE(Const("abc"), Const("def"));
+	}
+
+	TEST_F(KernelRtlilTest, ConstEqualBits) {
+		std::vector<State> v1 = {S0, S1};
+		std::vector<State> v2 = {S1, S0};
+		EXPECT_EQ(Const(v1), Const(v1));
+		EXPECT_NE(Const(v1), Const(v2));
+	}
+
+	TEST_F(KernelRtlilTest, ConstEqualStrBits) {
+		std::vector<State> v1 = {S0, S0, S0, S0, S0, S1, S0, S0};
+		EXPECT_EQ(Const(v1), Const(" "));
+		EXPECT_NE(Const(v1), Const("a"));
+	}
+
 	class WireRtlVsHdlIndexConversionTest :
 		public KernelRtlilTest,
 		public testing::WithParamInterface<std::tuple<bool, int, int>>