diff --git a/examples/spi_max7219.c b/examples/spi_max7219.c
index 4c1ad06..276cff9 100644
--- a/examples/spi_max7219.c
+++ b/examples/spi_max7219.c
@@ -85,4 +85,5 @@ main(int argc, char** argv)
     mraa_spi_stop(spi);
 
     //! [Interesting]
+    return 0;
 }