diff --git a/src/zm_monitor.cpp b/src/zm_monitor.cpp
index 4fe59b5e8..e9998c181 100644
--- a/src/zm_monitor.cpp
+++ b/src/zm_monitor.cpp
@@ -306,8 +306,8 @@ Monitor::Monitor(
     server_id( p_server_id ),
     function( (Function)p_function ),
     enabled( p_enabled ),
-	width( p_camera->Width() ),
-	height( p_camera->Height() ),
+    width( (p_orientation==ROTATE_90||p_orientation==ROTATE_270)?p_camera->Height():p_camera->Width() ),
+    height( (p_orientation==ROTATE_90||p_orientation==ROTATE_270)?p_camera->Width():p_camera->Height() ),
     orientation( (Orientation)p_orientation ),
     deinterlacing( p_deinterlacing ),
     label_coord( p_label_coord ),
diff --git a/src/zm_monitor.h b/src/zm_monitor.h
index d1a619a4c..a9cd05674 100644
--- a/src/zm_monitor.h
+++ b/src/zm_monitor.h
@@ -358,8 +358,8 @@ public:
 		return( embed_exif );
 	}
 
-	unsigned int Width() const { return( (p_orientation==ROTATE_90||p_orientation==ROTATE_270)?p_camera->Height():p_camera->Width() ); }
-	unsigned int Height() const { return( (p_orientation==ROTATE_90||p_orientation==ROTATE_270)?p_camera->Width():p_camera->Height() ); }
+	unsigned int Width() const { return( width ); }
+	unsigned int Height() const { return( height ); }
 	unsigned int Colours() const { return( camera->Colours() ); }
 	unsigned int SubpixelOrder() const { return( camera->SubpixelOrder() ); }