diff --git a/providers/anthropic/anthropic.go b/providers/anthropic/anthropic.go
index d4f6d1e50cd78118e7547e9181c4aaabb651ddc5..330c1ac5fbd67daa694899f048f0d88ef77d63de 100644
--- a/providers/anthropic/anthropic.go
+++ b/providers/anthropic/anthropic.go
@@ -68,7 +68,9 @@ func New(opts ...Option) (fantasy.Provider, error) {
 		o(&providerOptions)
 	}
 
-	providerOptions.baseURL = cmp.Or(providerOptions.baseURL, DefaultURL)
+	if !providerOptions.useBedrock {
+		providerOptions.baseURL = cmp.Or(providerOptions.baseURL, DefaultURL)
+	}
 	providerOptions.name = cmp.Or(providerOptions.name, Name)
 	return &provider{options: providerOptions}, nil
 }