diff --git a/tool/compile_gatt.py b/tool/compile_gatt.py
index 60ffcef66..adc65a835 100755
--- a/tool/compile_gatt.py
+++ b/tool/compile_gatt.py
@@ -1113,8 +1113,8 @@ try:
     print('Created %s' % filename)
 
 except IOError as e:
-
-    print(usage)
+    parser.print_help() 
+    print(e)
     sys.exit(1)
 
 print('Compilation successful!\n')