diff --git a/inventory_provider/config.py b/inventory_provider/config.py
index 21a78d9bc2f100e4cfe30d554466de32d0c11efb..d36db66dbfa16e6654d32ae2dd73b50522b70e0e 100644
--- a/inventory_provider/config.py
+++ b/inventory_provider/config.py
@@ -20,7 +20,8 @@ CONFIG_SCHEMA = {
         "timeout": {
             "type": "number",
             "maximum": 10,  # sanity
-            "exclusiveMinimum": 0
+            "minimum": 0,  # should only be required by < draft 4???
+            "exclusiveMinimum": True
         }
     },