diff --git a/examples/c/CMakeLists.txt b/examples/c/CMakeLists.txt
index 01ec246d..ce36f793 100644
--- a/examples/c/CMakeLists.txt
+++ b/examples/c/CMakeLists.txt
@@ -136,7 +136,6 @@ add_example (ppd42ns)
 add_example (guvas12d)
 add_example (otp538u)
 add_example (button)
-add_example (button_intr)
 add_example (my9221)
 add_example (ms5803)
 add_example (ims)
@@ -148,3 +147,4 @@ add_custom_example (lcm1602-i2c-example-c lcm1602-i2c.c lcm1602)
 add_custom_example (lcm1602-parallel-example-c lcm1602-parallel.c lcm1602)
 add_custom_example (rpr220-intr-example-c rpr220-intr.c rpr220)
 add_custom_example (md-stepper-example-c md-stepper.c md)
+add_custom_example (button_intr-example-c button_intr.c button)