diff --git a/include/hasp_conf.h b/include/hasp_conf.h
index eca7a92b..28d2c96f 100644
--- a/include/hasp_conf.h
+++ b/include/hasp_conf.h
@@ -117,6 +117,10 @@
 #define HASP_NUM_GPIO_CONFIG 8
 #endif
 
+#ifndef HASP_USE_CUSTOM
+#define HASP_USE_CUSTOM 0
+#endif
+
 // #ifndef HASP_NUM_OUTPUTS
 // #define HASP_NUM_OUTPUTS 3
 // #endif
diff --git a/src/custom/my_custom_template.cpp b/src/custom/my_custom_template.cpp
index b2d65935..a19200b5 100644
--- a/src/custom/my_custom_template.cpp
+++ b/src/custom/my_custom_template.cpp
@@ -2,9 +2,10 @@
    For full license information read the LICENSE file in the project folder */
 
 #include "hasplib.h"
-#include "custom/my_custom.h"
 
-#if HASP_USE_CUSTOM > 0
+#if HASP_USE_CUSTOM > 0 && false // <-- set this to true in your code
+
+#include "custom/my_custom.h"
 
 void custom_setup()
 {