diff --git a/protocols/rdp/src/rdp_bitmap.c b/protocols/rdp/src/rdp_bitmap.c
index c192395f..13762d2b 100644
--- a/protocols/rdp/src/rdp_bitmap.c
+++ b/protocols/rdp/src/rdp_bitmap.c
@@ -113,9 +113,12 @@ void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap) {
     guac_client* client = ((rdp_freerdp_context*) context)->client;
     guac_socket* socket = client->socket;
 
+	int width = bitmap->right - bitmap->left + 1;
+	int height = bitmap->bottom - bitmap->top + 1;
+
     guac_protocol_send_copy(socket,
             ((guac_rdp_bitmap*) bitmap)->layer,
-            0, 0, bitmap->width, bitmap->height,
+            0, 0, width, height,
             GUAC_COMP_OVER,
             GUAC_DEFAULT_LAYER, bitmap->left, bitmap->top);