diff --git a/digdag-docs/src/operators/sh.md b/digdag-docs/src/operators/sh.md
index 5c37a4b24b..548a693a36 100644
--- a/digdag-docs/src/operators/sh.md
+++ b/digdag-docs/src/operators/sh.md
@@ -35,6 +35,21 @@ The shell defaults to `/bin/sh`. If an alternate shell such as `zsh` is desired,
 
 On Windows, you can set PowerShell.exe to the `shell` option:
 
+>= 0.10.4
+
+    _export:
+      sh:
+        shell: ["powershell.exe"]
+        script_name: runner.ps1
+
+    +step1:
+      sh>: step1.exe
+
+    +step2:
+      sh>: step2.ps1
+
+< 0.10
+
     _export:
       sh:
         shell: ["powershell.exe", "-"]
diff --git a/digdag-standards/src/main/java/io/digdag/standards/operator/ShOperatorFactory.java b/digdag-standards/src/main/java/io/digdag/standards/operator/ShOperatorFactory.java
index aec2de7872..b1c31672e4 100644
--- a/digdag-standards/src/main/java/io/digdag/standards/operator/ShOperatorFactory.java
+++ b/digdag-standards/src/main/java/io/digdag/standards/operator/ShOperatorFactory.java
@@ -133,7 +133,7 @@ private CommandStatus runCommand(final Config params, final CommandContext comma
         {
             final Path tempDir = workspace.createTempDir(String.format("digdag-sh-%d-", request.getTaskId()));
             final Path workingDirectory = workspace.getPath(); // absolute
-            final Path runnerPath = tempDir.resolve("runner.sh"); // absolute
+            final Path runnerPath = tempDir.resolve(params.get("script_name", String.class, "runner.sh")); // absolute
 
             final List<String> shell;
             if (params.has("shell")) {