diff --git a/sdf/1.8/camera.sdf b/sdf/1.8/camera.sdf
index fb33b088a..9e05cfbda 100644
--- a/sdf/1.8/camera.sdf
+++ b/sdf/1.8/camera.sdf
@@ -5,7 +5,7 @@
     <description>An optional name for the camera.</description>
   </attribute>
 
-  <element name="camera_info_topic" type="string" default="camera_info" required="0">
+  <element name="camera_info_topic" type="string" default="__default__" required="0">
     <description>Name of the camera info</description>
   </element> <!-- End camera Info topic -->
 
diff --git a/sdf/1.9/camera.sdf b/sdf/1.9/camera.sdf
index 3c7f6ee95..dd47b1a7b 100644
--- a/sdf/1.9/camera.sdf
+++ b/sdf/1.9/camera.sdf
@@ -5,7 +5,7 @@
     <description>An optional name for the camera.</description>
   </attribute>
 
-  <element name="camera_info_topic" type="string" default="camera_info" required="0">
+  <element name="camera_info_topic" type="string" default="__default__" required="0">
     <description>Name of the camera info</description>
   </element> <!-- End camera Info topic -->