diff --git a/lib/http/rpc.js b/lib/http/rpc.js
index f61d2432..2f56515d 100644
--- a/lib/http/rpc.js
+++ b/lib/http/rpc.js
@@ -2644,6 +2644,7 @@ RPC.prototype.blockToJSON = co(function* blockToJSON(entry, block, details) {
     version: entry.version,
     versionHex: util.hex32(entry.version),
     merkleroot: util.revHex(entry.merkleRoot),
+    coinbase: block.txs[0].inputs[0].script,
     tx: txs,
     time: entry.ts,
     mediantime: mtp,
diff --git a/lib/primitives/block.js b/lib/primitives/block.js
index e16a95e3..e1c31e71 100644
--- a/lib/primitives/block.js
+++ b/lib/primitives/block.js
@@ -623,6 +623,7 @@ Block.prototype.getJSON = function getJSON(network, view, height) {
     ts: this.ts,
     bits: this.bits,
     nonce: this.nonce,
+    coinbase: this.txs[0].inputs[0].script,
     txs: this.txs.map(function(tx, i) {
       return tx.getJSON(network, view, null, i);
     }, this)