diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c
index daa14cc3e3b3..ae34d8bf0997 100644
--- a/sys/vm/uma_core.c
+++ b/sys/vm/uma_core.c
@@ -3561,7 +3561,8 @@ uma_zalloc_debug(uma_zone_t zone, void **itemp, void *udata, int flags)
 #endif
 
 #ifdef DEBUG_MEMGUARD
-	if ((zone->uz_flags & UMA_ZONE_SMR) == 0 && memguard_cmp_zone(zone)) {
+	if ((zone->uz_flags & (UMA_ZONE_SMR | UMA_ZFLAG_CACHE)) == 0 &&
+	    memguard_cmp_zone(zone)) {
 		void *item;
 		item = memguard_alloc(zone->uz_size, flags);
 		if (item != NULL) {
@@ -3596,7 +3597,8 @@ uma_zfree_debug(uma_zone_t zone, void *item, void *udata)
 	    ("uma_zfree_debug: called with spinlock or critical section held"));
 
 #ifdef DEBUG_MEMGUARD
-	if ((zone->uz_flags & UMA_ZONE_SMR) == 0 && is_memguard_addr(item)) {
+	if ((zone->uz_flags & (UMA_ZONE_SMR | UMA_ZFLAG_CACHE)) == 0 &&
+	    is_memguard_addr(item)) {
 		if (zone->uz_dtor != NULL)
 			zone->uz_dtor(item, zone->uz_size, udata);
 		if (zone->uz_fini != NULL)