diff --git a/chain/types/message.go b/chain/types/message.go
index 4304ba659..47f8f2083 100644
--- a/chain/types/message.go
+++ b/chain/types/message.go
@@ -220,12 +220,17 @@ func (m *Message) ValidForBlockInclusion(minGas int64, version network.Version)
 }
 
 // EffectiveGasPremium returns the effective gas premium claimable by the miner
-// given the supplied base fee.
+// given the supplied base fee. This method is not used anywhere except the Eth API.
 //
 // Filecoin clamps the gas premium at GasFeeCap - BaseFee, if lower than the
-// specified premium.
+// specified premium. Returns 0 if GasFeeCap is less than BaseFee.
 func (m *Message) EffectiveGasPremium(baseFee abi.TokenAmount) abi.TokenAmount {
 	available := big.Sub(m.GasFeeCap, baseFee)
+	// It's possible that storage providers may include messages with gasFeeCap less than the baseFee
+	// In such cases, their reward should be viewed as zero
+	if available.LessThan(big.NewInt(0)) {
+		available = big.NewInt(0)
+	}
 	if big.Cmp(m.GasPremium, available) <= 0 {
 		return m.GasPremium
 	}
diff --git a/node/impl/full/eth_test.go b/node/impl/full/eth_test.go
index 87c0852fb..63dbb447e 100644
--- a/node/impl/full/eth_test.go
+++ b/node/impl/full/eth_test.go
@@ -114,7 +114,7 @@ func TestReward(t *testing.T) {
 		{maxFeePerGas: big.NewInt(600), maxPriorityFeePerGas: big.NewInt(500), answer: big.NewInt(500)},
 		{maxFeePerGas: big.NewInt(600), maxPriorityFeePerGas: big.NewInt(600), answer: big.NewInt(500)},
 		{maxFeePerGas: big.NewInt(600), maxPriorityFeePerGas: big.NewInt(1000), answer: big.NewInt(500)},
-		{maxFeePerGas: big.NewInt(50), maxPriorityFeePerGas: big.NewInt(200), answer: big.NewInt(-50)},
+		{maxFeePerGas: big.NewInt(50), maxPriorityFeePerGas: big.NewInt(200), answer: big.NewInt(0)},
 	}
 	for _, tc := range testcases {
 		msg := &types.Message{GasFeeCap: tc.maxFeePerGas, GasPremium: tc.maxPriorityFeePerGas}