diff --git a/src/collectors/proc.plugin/proc_spl_kstat_zfs.c b/src/collectors/proc.plugin/proc_spl_kstat_zfs.c
index 50c0ec50f5592e..9286479c9bf4c4 100644
--- a/src/collectors/proc.plugin/proc_spl_kstat_zfs.c
+++ b/src/collectors/proc.plugin/proc_spl_kstat_zfs.c
@@ -55,7 +55,7 @@ int do_proc_spl_kstat_zfs_arcstats(int update_every, usec_t dt) {
         arl_expect(arl_base, "hash_chain_max", &arcstats.hash_chain_max);
         arl_expect(arl_base, "p", &arcstats.p);
         arl_expect(arl_base, "pd", &arcstats.pd);
-        arl_expect(arl_base, "pm", &arcstats.pd);
+        arl_expect(arl_base, "pm", &arcstats.pm);
         arl_expect(arl_base, "c", &arcstats.c);
         arl_expect(arl_base, "c_min", &arcstats.c_min);
         arl_expect(arl_base, "c_max", &arcstats.c_max);