diff --git a/DD-API-Oper demo.ipynb b/DD-API-Oper demo.ipynb
index daca8bc..4423679 100644
--- a/DD-API-Oper demo.ipynb	
+++ b/DD-API-Oper demo.ipynb	
@@ -117,7 +117,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "quantities_hoek = rws.location_quantities(\"hoekvanholland\")"
+    "quantities_hoek = rws.locationQuantities(\"hoekvanholland\")"
    ]
   },
   {
diff --git a/ddapioper.py b/ddapioper.py
index 0737311..bcd0236 100644
--- a/ddapioper.py
+++ b/ddapioper.py
@@ -79,8 +79,8 @@ Request the list of quantities and return a ddApiQuntitie object.
 """
         return(ddApiQuantitie(self.get(self.url + "/quantities")["results"]))
 
-    def location_quantities(self, location):
-        """location_quantities(location)
+    def locationQuantities(self, location):
+        """locationQuantities(location)
 
 location: A dd-api location (e.g. hoekvanholland)
 
diff --git a/test-ddapi b/test-ddapi
index b52a651..e445892 100755
--- a/test-ddapi
+++ b/test-ddapi
@@ -17,7 +17,7 @@ def quantities(rws):
         print(f)
 
 def quantitiesHoekvanHolland(rws):
-    q = rws.location_quantities("hoekvanholland")
+    q = rws.locationQuantities("hoekvanholland")
     print(type(q))
     for f in q.quantities():
         print(f)