diff --git a/configure.py b/configure.py
index 9730dd4..e5fd45d 100755
--- a/configure.py
+++ b/configure.py
@@ -128,6 +128,7 @@
     output_range = (input_range[1], input_range[1]+len(yaml['documentation']['outputs']))
     gpio_end = output_range[1]
     if gpio_end > GPIO_VALID_RANGE[1]:
+        print(gpio_end)
         raise Exception('ETOOMANY IOs')
     return (input_range, output_range)