diff --git a/zephyr/lib/fast-get.c b/zephyr/lib/fast-get.c
index 49747c7582ae..ecaf8ee0adf3 100644
--- a/zephyr/lib/fast-get.c
+++ b/zephyr/lib/fast-get.c
@@ -300,10 +300,10 @@ void fast_put(struct k_heap *heap, const void *sram_ptr)
 			.size = ALIGN_UP(entry->size, CONFIG_MM_DRV_PAGE_SIZE),
 			.attr = K_MEM_PARTITION_P_RO_U_RO | XTENSA_MMU_CACHED_WB,
 		};
-		struct k_mem_domain *domain = k_current_get()->mem_domain_info.mem_domain;
+		struct k_mem_domain *domain = entry->thread->mem_domain_info.mem_domain;
 
 		LOG_DBG("removing partition %p size %#zx from thread %p",
-			(void *)part.start, part.size, k_current_get());
+			(void *)part.start, part.size, entry->thread);
 		int err = k_mem_domain_remove_partition(domain, &part);
 
 		if (err)