diff --git a/src/app.py b/src/app.py
index 75d3362413..7f4acdc1aa 100644
--- a/src/app.py
+++ b/src/app.py
@@ -1098,7 +1098,7 @@ def app_install(
     args = {
         question.id: question.value
         for question in questions
-        if question.value is not None
+        if not question.readonly and question.value is not None
     }
 
     # Validate domain / path availability for webapps