diff --git a/msg/Rect.msg b/msg/Rect.msg
index ea99932f..7b99166b 100644
--- a/msg/Rect.msg
+++ b/msg/Rect.msg
@@ -1,6 +1,6 @@
 # opencv Rect data type, x-y is center point
-float64 x
-float64 y
-float64 width
-float64 height
+int32 x
+int32 y
+int32 width
+int32 height