diff --git a/Arduino.mk b/Arduino.mk
index 1406cbe..5d7e266 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -467,6 +467,9 @@ endif
 
 ifndef PRE_BUILD_HOOK
     PRE_BUILD_HOOK = pre-build-hook.sh
+    $(call show_config_variable,PRE_BUILD_HOOK,[DEFAULT])
+else
+    $(call show_config_variable,PRE_BUILD_HOOK,[USER])
 endif
 
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