diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5c518688..1a74c1f98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.20.2
+
+BUG FIXES
+
+- [api] Fix block signatures for first block
+
 ## 0.20.1
 
 BUG FIXES
diff --git a/api/block.go b/api/block.go
index ad09ef92a..b188c99c4 100644
--- a/api/block.go
+++ b/api/block.go
@@ -23,7 +23,7 @@ type BlockResponse struct {
 	Transactions []BlockTransactionResponse `json:"transactions"`
 	BlockReward  *big.Int                   `json:"block_reward"`
 	Size         int                        `json:"size"`
-	Proposer     types.Pubkey               `json:"proposer"`
+	Proposer     types.Pubkey               `json:"proposer,omitempty"`
 	Validators   []BlockValidatorResponse   `json:"validators"`
 	Evidence     types2.EvidenceData        `json:"evidence,omitempty"`
 }
@@ -58,7 +58,7 @@ func Block(height int64) (*BlockResponse, error) {
 
 	blockResults, err := client.BlockResults(&height)
 	if err != nil {
-		return nil, rpctypes.RPCError{Code: 404, Message: "Block not found", Data: err.Error()}
+		return nil, rpctypes.RPCError{Code: 404, Message: "Block results not found", Data: err.Error()}
 	}
 
 	tmValidators, err := client.Validators(&height)
@@ -72,7 +72,6 @@ func Block(height int64) (*BlockResponse, error) {
 		sender, _ := tx.Sender()
 
 		tags := make(map[string]string)
-
 		for _, tag := range blockResults.Results.DeliverTx[i].Tags {
 			tags[string(tag.Key)] = string(tag.Value)
 		}
@@ -102,27 +101,28 @@ func Block(height int64) (*BlockResponse, error) {
 
 	validators := make([]BlockValidatorResponse, len(block.Block.LastCommit.Precommits))
 	proposer := types.Pubkey{}
-	for i, tmval := range tmValidators.Validators {
-		signed := false
-
-		for _, vote := range block.Block.LastCommit.Precommits {
-			if vote == nil {
-				continue
+	if height > 1 {
+		for i, tmval := range tmValidators.Validators {
+			signed := false
+			for _, vote := range block.Block.LastCommit.Precommits {
+				if vote == nil {
+					continue
+				}
+
+				if bytes.Equal(vote.ValidatorAddress.Bytes(), tmval.Address.Bytes()) {
+					signed = true
+					break
+				}
 			}
 
-			if bytes.Equal(vote.ValidatorAddress.Bytes(), tmval.Address.Bytes()) {
-				signed = true
-				break
+			validators[i] = BlockValidatorResponse{
+				Pubkey: fmt.Sprintf("Mp%x", tmval.PubKey.Bytes()[5:]),
+				Signed: signed,
 			}
-		}
 
-		validators[i] = BlockValidatorResponse{
-			Pubkey: fmt.Sprintf("Mp%x", tmval.PubKey.Bytes()[5:]),
-			Signed: signed,
-		}
-
-		if bytes.Equal(tmval.Address.Bytes(), block.Block.ProposerAddress.Bytes()) {
-			proposer = tmval.PubKey.Bytes()[5:]
+			if bytes.Equal(tmval.Address.Bytes(), block.Block.ProposerAddress.Bytes()) {
+				proposer = tmval.PubKey.Bytes()[5:]
+			}
 		}
 	}
 
diff --git a/version/version.go b/version/version.go
index ba82df822..4ac7c3d34 100755
--- a/version/version.go
+++ b/version/version.go
@@ -4,14 +4,14 @@ package version
 const (
 	Maj = "0"
 	Min = "20"
-	Fix = "1"
+	Fix = "2"
 
 	AppVer = 4
 )
 
 var (
 	// Must be a string because scripts like dist.sh read this file.
-	Version = "0.20.1"
+	Version = "0.20.2"
 
 	// GitCommit is the current HEAD set using ldflags.
 	GitCommit string