diff --git a/openbb_platform/core/openbb_core/provider/registry_map.py b/openbb_platform/core/openbb_core/provider/registry_map.py
index cb336c0542c..f6669c16405 100644
--- a/openbb_platform/core/openbb_core/provider/registry_map.py
+++ b/openbb_platform/core/openbb_core/provider/registry_map.py
@@ -126,9 +126,11 @@ class RegistryMap:
                     model_field.json_schema_extra = {}
 
                 if p not in model_field.json_schema_extra:
-                    model_field.json_schema_extra[p] = set()
+                    model_field.json_schema_extra[p] = []
 
-                model_field.json_schema_extra[p].add(provider)
+                providers = model_field.json_schema_extra[p]
+                if provider not in providers:
+                    providers.append(provider)
 
     def _get_models(self, map_: MapType) -> List[str]:
         """Get available models."""
diff --git a/openbb_platform/openbb/package/crypto_price.py b/openbb_platform/openbb/package/crypto_price.py
index 1ea09899de5..6b293fcd250 100644
--- a/openbb_platform/openbb/package/crypto_price.py
+++ b/openbb_platform/openbb/package/crypto_price.py
@@ -140,7 +140,7 @@ class ROUTER_crypto_price(Container):
                 },
                 extra_params=kwargs,
                 extra_info={
-                    "symbol": {"multiple_items_allowed": {"yfinance", "fmp", "polygon"}}
+                    "symbol": {"multiple_items_allowed": ["fmp", "polygon", "yfinance"]}
                 },
             )
         )
diff --git a/openbb_platform/openbb/package/equity_price.py b/openbb_platform/openbb/package/equity_price.py
index 9cb88d04fa9..343b8f3ec76 100644
--- a/openbb_platform/openbb/package/equity_price.py
+++ b/openbb_platform/openbb/package/equity_price.py
@@ -185,12 +185,12 @@ class ROUTER_equity_price(Container):
                 extra_params=kwargs,
                 extra_info={
                     "symbol": {
-                        "multiple_items_allowed": {
+                        "multiple_items_allowed": [
                             "fmp",
                             "polygon",
-                            "yfinance",
                             "tiingo",
-                        }
+                            "yfinance",
+                        ]
                     }
                 },
             )