diff --git a/sys/dev/nvme/nvme_ctrlr.c b/sys/dev/nvme/nvme_ctrlr.c
--- a/sys/dev/nvme/nvme_ctrlr.c
+++ b/sys/dev/nvme/nvme_ctrlr.c
@@ -389,7 +389,7 @@
 	cc |= 4 << NVME_CC_REG_IOCQES_SHIFT; /* CQ entry size == 16 == 2^4 */
 
 	/* This evaluates to 0, which is according to spec. */
-	cc |= (PAGE_SIZE >> 13) << NVME_CC_REG_MPS_SHIFT;
+	cc |= (PAGE_SHIFT - NVME_BASE_SHIFT) << NVME_CC_REG_MPS_SHIFT;
 
 	nvme_ctrlr_barrier(ctrlr, BUS_SPACE_BARRIER_WRITE);
 	nvme_mmio_write_4(ctrlr, cc, cc);
diff --git a/sys/dev/nvme/nvme_private.h b/sys/dev/nvme/nvme_private.h
--- a/sys/dev/nvme/nvme_private.h
+++ b/sys/dev/nvme/nvme_private.h
@@ -96,6 +96,11 @@
 /* Maximum log page size to fetch for AERs. */
 #define NVME_MAX_AER_LOG_SIZE		(4096)
 
+/*
+ * Page size parameters
+ */
+#define NVME_BASE_SHIFT		12	/* Several parameters (MSP) are 2^(12+x) */
+
 /*
  * Define CACHE_LINE_SIZE here for older FreeBSD versions that do not define
  *  it.