diff --git a/src/possum/tangled.gleam b/src/possum/tangled.gleam
index 0097979..1ca08b1 100644
--- a/src/possum/tangled.gleam
+++ b/src/possum/tangled.gleam
@@ -69,7 +69,7 @@ pub fn list_comments(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -117,7 +117,7 @@ pub fn list_reactions(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -158,7 +158,7 @@ pub fn list_stars(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -199,7 +199,7 @@ pub fn list_ref_updates(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -240,7 +240,7 @@ pub fn list_followers(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -281,7 +281,7 @@ pub fn list_vouches(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -322,7 +322,7 @@ pub fn list_knots(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -363,7 +363,7 @@ pub fn list_issues(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -404,7 +404,7 @@ pub fn list_pull_requests(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -445,7 +445,7 @@ pub fn list_repositories(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }
@@ -486,7 +486,7 @@ pub fn list_strings(
 
   request
   |> request.set_host(api)
-  |> request.set_header("accept", "application/json")
+  |> request.prepend_header("accept", "application/json")
   |> request.set_path("/xrpc/sh.tangled" <> endpoint)
   |> request.set_query(query)
 }