diff --git a/src/main/java/com/google/devtools/build/lib/sandbox/LinuxSandboxedSpawnRunner.java b/src/main/java/com/google/devtools/build/lib/sandbox/LinuxSandboxedSpawnRunner.java
index b9fdbf3c69f69a..69a22bcc626629 100644
--- a/src/main/java/com/google/devtools/build/lib/sandbox/LinuxSandboxedSpawnRunner.java
+++ b/src/main/java/com/google/devtools/build/lib/sandbox/LinuxSandboxedSpawnRunner.java
@@ -88,7 +88,9 @@ public static boolean isSupported(final CommandEnvironment cmdEnv) throws Interr
   private static boolean computeIsSupported(CommandEnvironment cmdEnv, Path linuxSandbox)
       throws InterruptedException {
     ImmutableList<String> linuxSandboxArgv =
-        LinuxSandboxUtil.commandLineBuilder(linuxSandbox, ImmutableList.of("/bin/true")).build();
+        LinuxSandboxUtil.commandLineBuilder(linuxSandbox, ImmutableList.of("/bin/true"))
+            .setTimeout(Duration.ofSeconds(1))
+            .build();
     ImmutableMap<String, String> env = ImmutableMap.of();
     Path execRoot = cmdEnv.getExecRoot();
     File cwd = execRoot.getPathFile();