diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt
index 88c594c6d7fc..f95859e4e3f0 100644
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -169,6 +169,7 @@ config SCHED_CORE
 config SCHED_CLASS_EXT
 	bool "Extensible Scheduling Class"
 	depends on BPF_SYSCALL && BPF_JIT && DEBUG_INFO_BTF
+	select GENERIC_ALLOCATOR
 	select STACKTRACE if STACKTRACE_SUPPORT
 	help
 	  This option enables a new scheduler class sched_ext (SCX), which