diff --git a/tts_service/src/endpoints/legacy_speak.rs b/tts_service/src/endpoints/legacy_speak.rs
index c9ba87b84c..c9d6b0f47c 100644
--- a/tts_service/src/endpoints/legacy_speak.rs
+++ b/tts_service/src/endpoints/legacy_speak.rs
@@ -1,9 +1,6 @@
-use actix_web::http::StatusCode;
+use actix_web::http::{StatusCode, header};
 use actix_web::web::{Data, Query};
-use actix_web::{
-  HttpRequest,
-  HttpResponse,
-};
+use actix_web::{HttpRequest, HttpResponse};
 
 use std::sync::Arc;
 use crate::AppState;
@@ -146,8 +143,21 @@ pub async fn legacy_get_speak(request: HttpRequest,
                     segfaults are fixed."))
         },
         Some(wav_data) => {
+          // To make iOS Safari work, you need a Content-Range and Content-Length header:
+          // https://stackoverflow.com/a/17835399
+          // Content-Range: bytes XX-XX/XX
+          // Content-Type: audio/wav
+          // Content-Disposition: attachment; filename = "new.WAV"
+          // Content-Length: XX
+          //
+          // Content-Range: bytes */*
+          // Content-Type: audio/wav
+          // Content-Disposition:
+          // Content-Length: len()
           Ok(HttpResponse::build(StatusCode::OK)
               .content_type("audio/wav")
+              .set_header(header::CONTENT_DISPOSITION, "attachment; filename = \"generated.wav\"")
+              .set_header(header::CONTENT_RANGE, "bytes */*")
               .body(wav_data))
         },
       }
@@ -188,8 +198,21 @@ pub async fn legacy_get_speak(request: HttpRequest,
 
       let wav_data = arpabet_glow_tts_melgan_pipeline(&cleaned_text, &glow_tts, &melgan);
 
+      // To make iOS Safari work, you need a Content-Range and Content-Length header:
+      // https://stackoverflow.com/a/17835399
+      // Content-Range: bytes XX-XX/XX
+      // Content-Type: audio/wav
+      // Content-Disposition: attachment; filename = "new.WAV"
+      // Content-Length: XX
+      //
+      // Content-Range: bytes */*
+      // Content-Type: audio/wav
+      // Content-Disposition:
+      // Content-Length: len()
       Ok(HttpResponse::build(StatusCode::OK)
           .content_type("audio/wav")
+          .set_header(header::CONTENT_DISPOSITION, "attachment; filename = \"generated.wav\"")
+          .set_header(header::CONTENT_RANGE, "bytes */*")
           .body(wav_data))
     },
     ModelPipeline::RawTextTacotronMelgan => unimplemented!(),
diff --git a/tts_service/src/endpoints/speak.rs b/tts_service/src/endpoints/speak.rs
index 8589ef578d..f417e27634 100644
--- a/tts_service/src/endpoints/speak.rs
+++ b/tts_service/src/endpoints/speak.rs
@@ -1,4 +1,4 @@
-use actix_web::http::StatusCode;
+use actix_web::http::{StatusCode, header};
 use actix_web::web::{
   Data,
   Json,
@@ -105,8 +105,12 @@ pub async fn post_speak(request: HttpRequest,
                      segfaults are fixed."))
         },
         Some(wav_data) => {
+          // To make iOS Safari work, you need a Content-Range and Content-Length header:
+          // https://stackoverflow.com/a/17835399
           Ok(HttpResponse::build(StatusCode::OK)
               .content_type("audio/wav")
+              .set_header(header::CONTENT_DISPOSITION, "attachment; filename = \"generated.wav\"")
+              .set_header(header::CONTENT_RANGE, "bytes */*")
               .body(wav_data))
         },
       }
@@ -134,8 +138,12 @@ pub async fn post_speak(request: HttpRequest,
 
       let wav_data = arpabet_glow_tts_melgan_pipeline(&cleaned_text, &glow_tts, &melgan);
 
+      // To make iOS Safari work, you need a Content-Range and Content-Length header:
+      // https://stackoverflow.com/a/17835399
       Ok(HttpResponse::build(StatusCode::OK)
           .content_type("audio/wav")
+          .set_header(header::CONTENT_DISPOSITION, "attachment; filename = \"generated.wav\"")
+          .set_header(header::CONTENT_RANGE, "bytes */*")
           .body(wav_data))
     },
     ModelPipeline::RawTextTacotronMelgan => unimplemented!(),