diff --git a/packages/docker/src/dockerCommands/container.ts b/packages/docker/src/dockerCommands/container.ts
index 74050d3..0345ee2 100644
--- a/packages/docker/src/dockerCommands/container.ts
+++ b/packages/docker/src/dockerCommands/container.ts
@@ -326,7 +326,9 @@ export async function containerExecStep(
     }
   }
 
-  dockerArgs.push('-e', `"PATH=${args.prependPath.join(':')}:$PATH"`)
+  if (args.prependPath?.length) {
+    dockerArgs.push('-e', `"PATH=${args.prependPath.join(':')}:$PATH"`)
+  }
 
   dockerArgs.push(containerId)
   dockerArgs.push(args.entryPoint)