diff --git a/cli/tests/unit_node/child_process_test.ts b/cli/tests/unit_node/child_process_test.ts
index e89fd7d792..d4a2a4cc68 100644
--- a/cli/tests/unit_node/child_process_test.ts
+++ b/cli/tests/unit_node/child_process_test.ts
@@ -599,3 +599,22 @@ Deno.test(
     assertStringIncludes(output, "close");
   },
 );
+
+Deno.test({
+  name: "[node/child_process spawn] supports SIGIOT signal",
+  ignore: Deno.build.os === "windows",
+  async fn() {
+    const script = path.join(
+      path.dirname(path.fromFileUrl(import.meta.url)),
+      "testdata",
+      "child_process_stdin.js",
+    );
+    const cp = spawn(Deno.execPath(), ["run", "-A", script]);
+    const p = withTimeout();
+    cp.on("exit", () => p.resolve());
+    cp.kill("SIGIOT");
+    await p;
+    assert(cp.killed);
+    assertEquals(cp.signalCode, "SIGIOT");
+  },
+});
diff --git a/runtime/ops/signal.rs b/runtime/ops/signal.rs
index 93e1cfef28..ba9a2a1785 100644
--- a/runtime/ops/signal.rs
+++ b/runtime/ops/signal.rs
@@ -113,6 +113,7 @@ pub fn signal_str_to_int(s: &str) -> Result<libc::c_int, AnyError> {
     "SIGQUIT" => Ok(3),
     "SIGILL" => Ok(4),
     "SIGTRAP" => Ok(5),
+    "SIGIOT" => Ok(6),
     "SIGABRT" => Ok(6),
     "SIGEMT" => Ok(7),
     "SIGFPE" => Ok(8),
@@ -193,6 +194,7 @@ pub fn signal_str_to_int(s: &str) -> Result<libc::c_int, AnyError> {
     "SIGQUIT" => Ok(3),
     "SIGILL" => Ok(4),
     "SIGTRAP" => Ok(5),
+    "SIGIOT" => Ok(6),
     "SIGABRT" => Ok(6),
     "SIGBUS" => Ok(7),
     "SIGFPE" => Ok(8),
@@ -269,6 +271,7 @@ pub fn signal_str_to_int(s: &str) -> Result<libc::c_int, AnyError> {
     "SIGQUIT" => Ok(3),
     "SIGILL" => Ok(4),
     "SIGTRAP" => Ok(5),
+    "SIGIOT" => Ok(6),
     "SIGABRT" => Ok(6),
     "SIGEMT" => Ok(7),
     "SIGFPE" => Ok(8),