diff --git a/tests/kernel/threads/dynamic_thread/testcase.yaml b/tests/kernel/threads/dynamic_thread/testcase.yaml
index 7e0e832328d..c2cc7025096 100644
--- a/tests/kernel/threads/dynamic_thread/testcase.yaml
+++ b/tests/kernel/threads/dynamic_thread/testcase.yaml
@@ -2,3 +2,4 @@ tests:
   kernel.threads.dynamic:
     tags: kernel threads userspace ignore_faults
     filter: CONFIG_ARCH_HAS_USERSPACE
+    arch_exclude: x86 # see GitHub #17893