diff --git a/wis2-gdc-api/Dockerfile b/wis2-gdc-api/Dockerfile
index b9d1b06..849874c 100644
--- a/wis2-gdc-api/Dockerfile
+++ b/wis2-gdc-api/Dockerfile
@@ -27,15 +27,17 @@ ENV PYGEOAPI_CONFIG=/pygeoapi/local.config.yml
 ENV PYGEOAPI_OPENAPI=/pygeoapi/local.openapi.yml
 
 RUN apt-get update && \
-    apt-get install -y curl
+    apt-get install -y curl patch
 
 COPY ./app.py /pygeoapi/pygeoapi/app.py
-COPY ./docker/wis2-gdc-api.yml /pygeoapi/local.config.yml
+COPY ./pygeoapi_provider_elasticsearch_.patch /pygeoapi/pygeoapi_provider_elasticsearch_.patch
 COPY ./requirements.txt /app/docker/wis2-gdc-api/requirements.txt
 COPY ./docker/entrypoint.sh /app/docker/wis2-gdc-api/entrypoint.sh
+COPY ./docker/wis2-gdc-api.yml /pygeoapi/local.config.yml
 
 RUN pip3 install -r /app/docker/wis2-gdc-api/requirements.txt && \
     pywcmp bundle sync && \
-    chmod +x /app/docker/wis2-gdc-api/entrypoint.sh
+    chmod +x /app/docker/wis2-gdc-api/entrypoint.sh && \
+    patch /pygeoapi/pygeoapi/provider/elasticsearch_.py /pygeoapi/pygeoapi_provider_elasticsearch_.patch
 
 ENTRYPOINT [ "/app/docker/wis2-gdc-api/entrypoint.sh" ]
diff --git a/wis2-gdc-api/pygeoapi_provider_elasticsearch_.patch b/wis2-gdc-api/pygeoapi_provider_elasticsearch_.patch
new file mode 100644
index 0000000..aef7deb
--- /dev/null
+++ b/wis2-gdc-api/pygeoapi_provider_elasticsearch_.patch
@@ -0,0 +1,17 @@
+244c244,247
+<                 prop_name = self.mask_prop(prop[0])
+---
+>                 if '|' in prop[1]:
+>                     prop_name = self.mask_prop(prop[0])
+>                 else:
+>                     prop_name = f'{self.mask_prop(prop[0])}.raw'
+252c255,256
+<                 query['query']['bool']['filter'].append(pf)
+---
+>                 if '|' not in prop[1]:
+>                     pf['match'][prop_name]['minimum_should_match'] = '100%'
+254,255c258
+<             if '|' not in prop[1]:
+<                 pf['match'][prop_name]['minimum_should_match'] = '100%'
+---
+>                 query['query']['bool']['filter'].append(pf)