diff --git a/src/backend/langflow/template/nodes.py b/src/backend/langflow/template/nodes.py
index acfc5c2d2..04329b75a 100644
--- a/src/backend/langflow/template/nodes.py
+++ b/src/backend/langflow/template/nodes.py
@@ -254,11 +254,12 @@ class PromptFrontendNode(FrontendNode):
         # if field.field_type  == "StringPromptTemplate"
         # change it to str
         if field.field_type == "StringPromptTemplate" and "Message" in str(name):
-            field.field_type = "str"
+            field.field_type = "prompt"
             field.multiline = True
             field.value = HUMAN_PROMPT if "Human" in field.name else SYSTEM_PROMPT
         if field.name == "template" and field.value == "":
             field.value = DEFAULT_PROMPT
+            field.field_type = "prompt"
 
         if (
             "Union" in field.field_type