diff --git a/Cargo.lock b/Cargo.lock
index 8e7f54a..3ee4cba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -874,7 +874,7 @@ dependencies = [
 
 [[package]]
 name = "idevice"
-version = "0.1.19"
+version = "0.1.20"
 dependencies = [
  "async-recursion",
  "base64",
diff --git a/idevice/Cargo.toml b/idevice/Cargo.toml
index f783ecb..34dcacb 100644
--- a/idevice/Cargo.toml
+++ b/idevice/Cargo.toml
@@ -2,7 +2,7 @@
 name = "idevice"
 description = "A Rust library to interact with services on iOS devices."
 authors = ["Jackson Coxson"]
-version = "0.1.19"
+version = "0.1.20"
 edition = "2021"
 license = "MIT"
 documentation = "https://docs.rs/idevice"
diff --git a/idevice/src/lib.rs b/idevice/src/lib.rs
index 185fe8b..6f8773d 100644
--- a/idevice/src/lib.rs
+++ b/idevice/src/lib.rs
@@ -104,7 +104,7 @@ impl Idevice {
     {
         if let Some(socket) = &mut self.socket {
             let message_parts = message.chunks(1024 * 64);
-            let part_len = message_parts.len();
+            let part_len = message_parts.len() - 1;
 
             for (i, part) in message_parts.enumerate() {
                 debug!("Writing {i}/{part_len}");