diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 912d4f8a13beb2..bd7b1a03545948 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -161,7 +161,13 @@ int arch_prepare_kprobe(struct kprobe *p)
 	preempt_disable();
 	prev = get_kprobe(p->addr - 1);
 	preempt_enable_no_resched();
-	if (prev && ppc_inst_prefixed(ppc_inst_read(prev->ainsn.insn))) {
+
+	/*
+	 * When prev is a ftrace-based kprobe, we don't have an insn, and it
+	 * doesn't probe for prefixed instruction.
+	 */
+	if (prev && !kprobe_ftrace(prev) &&
+	    ppc_inst_prefixed(ppc_inst_read(prev->ainsn.insn))) {
 		printk("Cannot register a kprobe on the second word of prefixed instruction\n");
 		ret = -EINVAL;
 	}