diff --git a/devel/stdin/start.sh b/devel/stdin/start.sh
index 8755802..2cdffef 100755
--- a/devel/stdin/start.sh
+++ b/devel/stdin/start.sh
@@ -29,11 +29,11 @@ main() {
     mkdir -p "$chain_data"
   fi
 
-  if ! command -v dummy-blockchain >/dev/null 2>&1; then
-    usage_error "The 'dummy-blockchain' executable must be found within your PATH, install it from source of 'https://github.com/streamingfast/dummy-blockchain'"
-  fi
+  # if ! command -v dummy-blockchain >/dev/null 2>&1; then
+  #   usage_error "The 'dummy-blockchain' executable must be found within your PATH, install it from source of 'https://github.com/streamingfast/dummy-blockchain'"
+  # fi
 
-  exec dummy-blockchain --firehose-enabled --block-rate 60 start --store-dir "$chain_data" | $fireacme -c $(basename $ROOT).yaml start "$@"
+  exec go run github.com/streamingfast/dummy-blockchain@v1.2.0 start --tracer=firehose --block-rate=60 --store-dir "$chain_data" | $fireacme -c $(basename $ROOT).yaml start "$@"
 }
 
 usage_error() {
diff --git a/devel/stdin/stdin.yaml b/devel/stdin/stdin.yaml
index 4a6b965..dea4ac6 100644
--- a/devel/stdin/stdin.yaml
+++ b/devel/stdin/stdin.yaml
@@ -1,3 +1,8 @@
+# Invoked using:
+#
+#   dummy-blockchain start --tracer=firehose --store-dir=./devel/stdin/firehose-data/reader-node --block-rate=60 | ./devel/stdin/start.sh
+#
+# The `./devel/stdin/start.sh` does the above invocation and pipes the output to the `stdin` process.
 start:
   args:
   - firehose
@@ -5,4 +10,5 @@ start:
   - reader-node-stdin
   - relayer
   flags:
-    # Invoked like `dummy-blockchain --firehose-enabled --block-rate=6 | ./devel/stdin/start.sh`
+    # The dummy block chain genesis block's height is 1
+    common-first-streamable-block: 1