diff --git a/README.md b/README.md
index ca65848..4db1ad0 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,7 @@ curl -u user:password sftp://hostname/path/to/image.bmap > image.bmap
 curl -u user:password sftp://hostname/path/to/image.gz | bmap-writer - image.bmap /dev/sdX
 ```
 
-Note: the [stream-helper.sh](stream-helper.sh) script can be used for stream processing tasks.
+Note: the [bmap-writer-stream.sh](bmap-writer-stream.sh) script can be used for stream processing tasks.
  
 ## Yocto Integration
 
diff --git a/stream-helper.sh b/bmap-writer-stream.sh
similarity index 97%
rename from stream-helper.sh
rename to bmap-writer-stream.sh
index f266a1b..a88580a 100755
--- a/stream-helper.sh
+++ b/bmap-writer-stream.sh
@@ -1,4 +1,4 @@
-#!/bin/bash -e
+#!/bin/sh -e
 
 export PATH=$PWD:$PATH
 
diff --git a/bmap-writer-test.sh b/bmap-writer-test.sh
index ef9c1a2..15bc227 100755
--- a/bmap-writer-test.sh
+++ b/bmap-writer-test.sh
@@ -118,6 +118,6 @@ echo "## Write the file with bmap-writer and zstd from HTTP server"
 python3 -m http.server -d $(pwd) -b 127.0.0.1 8987 &
 SERVER_PID=$!
 sleep 2
-stream-helper.sh http://127.0.0.1:8987/test.img.zst test5.zst.img.out
+bmap-writer-stream.sh http://127.0.0.1:8987/test.img.zst test5.zst.img.out
 cmp test.img.out test5.zst.img.out
 kill $SERVER_PID