diff --git a/GeoHealthCheck/plugins/probe/wfs.py b/GeoHealthCheck/plugins/probe/wfs.py
index 54eff3e..956de47 100644
--- a/GeoHealthCheck/plugins/probe/wfs.py
+++ b/GeoHealthCheck/plugins/probe/wfs.py
@@ -27,7 +27,7 @@ class WfsGetFeatureBbox(Probe):
 xsi:schemaLocation="http://www.opengis.net/wfs
 http://schemas.opengis.net/wfs/1.1.0/wfs.xsd"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
-  <wfs:Query typeName="{type_name}" srsName="{srs}" maxfeatures="{max_count}"
+  <wfs:Query typeName="{type_name}" srsName="{srs}" maxFeatures="{max_count}"
         xmlns:{type_ns_prefix}="{type_ns_uri}">
     <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc">
       <ogc:BBOX>
@@ -81,7 +81,7 @@ class WfsGetFeatureBbox(Probe):
             'type': 'string',
             'description': 'Maximum amount of features to select',
             'default': '5',
-            'required': False,
+            'required': True,
             'range': None
         },
         'bbox': {
diff --git a/tests/data/fixtures.json b/tests/data/fixtures.json
index 299af40..382b34a 100644
--- a/tests/data/fixtures.json
+++ b/tests/data/fixtures.json
@@ -178,6 +178,7 @@
         "type_ns_prefix": "bag",
         "type_ns_uri": "http://bag.geonovum.nl",
         "srs": "EPSG:28992",
+        "max_count": "1",
         "bbox": ["180635", "455870", "180961", "456050"]
       }
     },
@@ -189,6 +190,7 @@
         "type_ns_prefix": "bag",
         "type_ns_uri": "http://bag.geonovum.nl",
         "srs": "EPSG:28992",
+        "max_count": "1",
         "bbox": ["180635", "455870", "180961", "456050"]
       }
     },
diff --git a/tests/data/resources.json b/tests/data/resources.json
index 9de6c99..30f5163 100644
--- a/tests/data/resources.json
+++ b/tests/data/resources.json
@@ -187,6 +187,7 @@
         "type_ns_prefix": "bag",
         "type_ns_uri": "http://bag.geonovum.nl",
         "srs": "EPSG:28992",
+        "max_count": "1",
         "bbox": ["180635", "455870", "180961", "456050"]
       }
     },