diff --git a/drivers/nvme/nvme.asm b/drivers/nvme/nvme.asm
index 8de5706..2e741d7 100644
--- a/drivers/nvme/nvme.asm
+++ b/drivers/nvme/nvme.asm
@@ -1135,7 +1135,7 @@ proc sqytdbl_write stdcall, pci:dword, y:word, cmd:dword
 	mov 	ax, word [edi + NVM_QUEUE_ENTRY.tail]
 	inc 	ax
 	cmp 	ax, NVM_ASQS
-	jb	@f
+	jbe	@f
 	xor 	ax, ax
 	
 @@:
@@ -1203,7 +1203,7 @@ proc consume_cq_entries stdcall, pci:dword, queue:dword
 	je 	.end
 	inc 	ecx
 	cmp 	ecx, NVM_ACQS
-	jb 	@f
+	jbe 	@f
 	xor 	ecx, ecx
 	mov 	word [esi + NVM_QUEUE_ENTRY.head], cx