diff --git a/src/common.tsx b/src/common.tsx
index 355c606..193a3ab 100644
--- a/src/common.tsx
+++ b/src/common.tsx
@@ -23,6 +23,7 @@ export const apiAuthenticatedContext: Context<[boolean, Dispatch<boolean>]> = cr
 
 export const formModalStyle = {
     position: 'absolute' as 'absolute',
+    maxHeight: "90%",
     top: '50%',
     left: '50%',
     transform: 'translate(-50%, -50%)',
@@ -280,7 +281,7 @@ export function ActionItem(p: { action: ActionInfo, identifierSubstring?: string
             onClose={() => { setForm(false); setFormData({}); }}
             open={form}
         >
-            <Box sx={formModalStyle}>
+            <Box sx={{ ...formModalStyle}}>
                 <Form validator={validator} widgets={{TextWidget: CustomField}} schema={p.action.args} onChange={onFormChange} formData={formData} onSubmit={handleSubmit} />
             </Box>
         </Modal>