diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c
index 2fea02b35b2dacba5188fb3be9d235c7239cbac4..4a01e5c7fe098e43def42b3d06d091abbabd8795 100644
--- a/drivers/net/wimax/i2400m/control.c
+++ b/drivers/net/wimax/i2400m/control.c
@@ -130,7 +130,7 @@ ssize_t i2400m_tlv_match(const struct i2400m_tlv_hdr *tlv,
 	    && le16_to_cpu(tlv->length) + sizeof(*tlv) != tlv_size) {
 		size_t size = le16_to_cpu(tlv->length) + sizeof(*tlv);
 		printk(KERN_WARNING "W: tlv type 0x%x mismatched because of "
-		       "size (got %zu vs %zu expected)\n",
+		       "size (got %zu vs %zd expected)\n",
 		       tlv_type, size, tlv_size);
 		return size;
 	}
@@ -235,7 +235,7 @@ const struct i2400m_tlv_hdr *i2400m_tlv_find(
 			break;
 		if (match > 0)
 			dev_warn(dev, "TLV type 0x%04x found with size "
-				 "mismatch (%zu vs %zu needed)\n",
+				 "mismatch (%zu vs %zd needed)\n",
 				 tlv_type, match, tlv_size);
 	}
 	return tlv;
diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index 1fda46c55eb3271b9b05336aff3374c26422d5b2..e74664b84925e9997072bc033c6938c8b0231a09 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -212,7 +212,7 @@ ssize_t i2400mu_bus_bm_cmd_send(struct i2400m *i2400m,
 	}
 	if (result != cmd_size) {		/* all was transferred? */
 		dev_err(dev, "boot-mode cmd %d: incomplete transfer "
-			"(%zu vs %zu submitted)\n",  opcode, result, cmd_size);
+			"(%zd vs %zu submitted)\n",  opcode, result, cmd_size);
 		result = -EIO;
 		goto error_cmd_size;
 	}