diff --git a/openapi_core/schema/parameters/models.py b/openapi_core/schema/parameters/models.py
index 98af859..766116d 100644
--- a/openapi_core/schema/parameters/models.py
+++ b/openapi_core/schema/parameters/models.py
@@ -87,6 +87,8 @@ class Parameter(object):
             return self.schema.default
 
         if self.aslist and self.explode:
+            if hasattr(location, 'getall'):
+                return location.getall(self.name)
             return location.getlist(self.name)
 
         return location[self.name]