diff --git a/src/shell/components/FieldTypeDateTime/index.tsx b/src/shell/components/FieldTypeDateTime/index.tsx
index 98218691e4..851fea8aef 100644
--- a/src/shell/components/FieldTypeDateTime/index.tsx
+++ b/src/shell/components/FieldTypeDateTime/index.tsx
@@ -271,6 +271,7 @@ export const FieldTypeDateTime = ({
           ),
           timezonePicker: showTimezonePicker && (
             <Autocomplete
+              autoHighlight
               fullWidth
               disableClearable
               size="small"
@@ -294,6 +295,11 @@ export const FieldTypeDateTime = ({
                 setTimezone(value.id);
                 onTimezoneChange && onTimezoneChange(value.id);
               }}
+              ListboxProps={{
+                sx: {
+                  maxHeight: 320,
+                },
+              }}
             />
           ),
         }}