diff --git a/tests/net/lib/lwm2m/lwm2m_engine/boards/qemu_x86.conf b/tests/net/lib/lwm2m/lwm2m_engine/boards/qemu_x86.conf
new file mode 100644
index 00000000000..c735e1a8a2d
--- /dev/null
+++ b/tests/net/lib/lwm2m/lwm2m_engine/boards/qemu_x86.conf
@@ -0,0 +1 @@
+CONFIG_TEST_EXTRA_STACK_SIZE=1024