diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 1f71cc135e9a..2a8c159de5e2 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -648,6 +648,8 @@ int fpu_clone(struct task_struct *dst, u64 clone_flags, bool minimal,
 	/* The new task's FPU state cannot be valid in the hardware. */
 	dst_fpu->last_cpu = -1;
 
+	dst_fpu->avx512_timestamp = 0;
+
 	fpstate_reset(dst_fpu);
 
 	if (!cpu_feature_enabled(X86_FEATURE_FPU))