diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
index a08353c15..f3c869538 100644
--- a/module/zfs/dsl_scan.c
+++ b/module/zfs/dsl_scan.c
@@ -3565,11 +3565,12 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
 	boolean_t needs_io = B_FALSE;
 	int zio_flags = ZIO_FLAG_SCAN_THREAD | ZIO_FLAG_RAW | ZIO_FLAG_CANFAIL;
 
-	count_block(scn, dp->dp_blkstats, bp);
 
 	if (phys_birth <= scn->scn_phys.scn_min_txg ||
-	    phys_birth >= scn->scn_phys.scn_max_txg)
+	    phys_birth >= scn->scn_phys.scn_max_txg) {
+		count_block(scn, dp->dp_blkstats, bp);
 		return (0);
+	}
 
 	/* Embedded BP's have phys_birth==0, so we reject them above. */
 	ASSERT(!BP_IS_EMBEDDED(bp));