diff --git a/kernel/ethosu_device.c b/kernel/ethosu_device.c
index 8e21512..73ddb2e 100644
--- a/kernel/ethosu_device.c
+++ b/kernel/ethosu_device.c
@@ -290,10 +290,10 @@
 			return ret;
 
 		dev_dbg(dev,
-			"Device ioctl: Buffer create. capacity=%u",
-			uapi.capacity);
+			"Device ioctl: Buffer create. size=%u",
+			uapi.size);
 
-		ret = ethosu_buffer_create(dev, uapi.capacity);
+		ret = ethosu_buffer_create(dev, uapi.size);
 
 		device_unlock(dev);