diff --git a/api/bro_upload/templates/registration_GMW_Construction.html b/api/bro_upload/templates/registration_GMW_Construction.html
index 84c81d7..1043eed 100644
--- a/api/bro_upload/templates/registration_GMW_Construction.html
+++ b/api/bro_upload/templates/registration_GMW_Construction.html
@@ -47,7 +47,7 @@
                 <ns:artesianWellCapPresent>{{ monitoringtube.artesianWellCapPresent }}</ns:artesianWellCapPresent>
                 <ns:sedimentSumpPresent>{{ monitoringtube.sedimentSumpPresent }}</ns:sedimentSumpPresent>
                 <ns:numberOfGeoOhmCables>{{ monitoringtube.numberOfGeoOhmCables }}</ns:numberOfGeoOhmCables>
-{%              if monitoringTube.tubeTopDiameter %}
+{%              if monitoringtube.tubeTopDiameter %}
                 <ns:tubeTopDiameter uom="mm">{{ monitoringtube.tubeTopDiameter }}</ns:tubeTopDiameter>
 {%              endif %}
                 <ns:variableDiameter>{{ monitoringtube.variableDiameter }}</ns:variableDiameter>
diff --git a/api/bro_upload/templates/replace_GMW_Construction.html b/api/bro_upload/templates/replace_GMW_Construction.html
index bcf57ff..1750e3e 100644
--- a/api/bro_upload/templates/replace_GMW_Construction.html
+++ b/api/bro_upload/templates/replace_GMW_Construction.html
@@ -49,7 +49,7 @@
                 <ns:artesianWellCapPresent>{{ monitoringtube.artesianWellCapPresent }}</ns:artesianWellCapPresent>
                 <ns:sedimentSumpPresent>{{ monitoringtube.sedimentSumpPresent }}</ns:sedimentSumpPresent>
                 <ns:numberOfGeoOhmCables>{{ monitoringtube.numberOfGeoOhmCables }}</ns:numberOfGeoOhmCables>
-{%              if monitoringTube.tubeTopDiameter %}
+{%              if monitoringtube.tubeTopDiameter %}
                 <ns:tubeTopDiameter uom="mm">{{ monitoringtube.tubeTopDiameter }}</ns:tubeTopDiameter>
 {%              endif %}
                 <ns:variableDiameter>{{ monitoringtube.variableDiameter }}</ns:variableDiameter>