diff --git a/kinetic/overrides.nix b/kinetic/overrides.nix
index c508280212..747ed2fd0e 100644
--- a/kinetic/overrides.nix
+++ b/kinetic/overrides.nix
@@ -85,7 +85,7 @@ rosSelf: rosSuper: {
     ];
   });
 
-  # ROS kinetic and older provide their own OpenCV 3 package, because older
+  # ROS lunar and older provide their own OpenCV 3 package, because older
   # Ubuntu versions did not have one. We don't need to use this.
   inherit (self) opencv3;
 
diff --git a/lunar/overrides.nix b/lunar/overrides.nix
index cb34988e73..c0aeb8ba45 100644
--- a/lunar/overrides.nix
+++ b/lunar/overrides.nix
@@ -20,4 +20,8 @@ rosSelf: rosSuper: {
       })
     ];
   });
+
+  # ROS lunar and older provide their own OpenCV 3 package, because older
+  # Ubuntu versions did not have one. We don't need to use this.
+  inherit (self) opencv3;
 }