diff --git a/examples/custom_algodiff_op.ml b/examples/custom_algodiff_op.ml
index 987da87ec..204e80e61 100755
--- a/examples/custom_algodiff_op.ml
+++ b/examples/custom_algodiff_op.ml
@@ -1,5 +1,3 @@
-#!/usr/bin/env owl
-
 (* This example demonstrates how to build a custom operation in Algodiff . *)
 
 open Owl
diff --git a/examples/dune b/examples/dune
index 594094b39..cf08b4cf4 100644
--- a/examples/dune
+++ b/examples/dune
@@ -1,3 +1,6 @@
-(executable
- (name backprop)
+(executables
+ (names 
+  backprop
+  custom_algodiff_op 
+ )
  (libraries owl))
\ No newline at end of file