diff --git a/README.md b/README.md
index 25a3f2db..22dc0674 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ change.
 	// Insert the main network genesis block.
 	pver := btcwire.ProtocolVersion
 	genesis := btcutil.NewBlock(&btcwire.GenesisBlock, pver)
-	newHeight, err := db.InsertBlock(block)
+	newHeight, err := db.InsertBlock(genesis)
 	if err != nil {
 		// Log and handle the error
 	}
diff --git a/doc.go b/doc.go
index 1706110e..933bd21d 100644
--- a/doc.go
+++ b/doc.go
@@ -51,7 +51,7 @@ referenced parent block to already exist.  In a more concrete example:
 	// Insert the main network genesis block.
 	pver := btcwire.ProtocolVersion
 	genesis := btcutil.NewBlock(&btcwire.GenesisBlock, pver)
-	newHeight, err := db.InsertBlock(block)
+	newHeight, err := db.InsertBlock(genesis)
 	if err != nil {
 		// Log and handle the error
 	}