diff --git a/tfcli/Cargo.toml b/tfcli/Cargo.toml
index 02e501e..008828e 100644
--- a/tfcli/Cargo.toml
+++ b/tfcli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tfcli"
-version = "0.1.4"
+version = "0.1.5"
 edition = "2021"
 description = "Command-line client for managing trifid-api"
 license = "GPL-3.0-or-later"
diff --git a/tfcli/src/host.rs b/tfcli/src/host.rs
index a4f6d90..8a1ebca 100644
--- a/tfcli/src/host.rs
+++ b/tfcli/src/host.rs
@@ -405,7 +405,7 @@ pub async fn block_host(id: String, server: Url) -> Result<(), Box<dyn Error>> {
 
     let token = format!("{} {}", session_token, auth_token);
 
-    let res = client.post(server.join(&format!("/v1/hosts/{}/block", id))?).bearer_auth(token).send().await?;
+    let res = client.post(server.join(&format!("/v1/hosts/{}/block", id))?).header("Content-Length", "0").bearer_auth(token).send().await?;
 
     if res.status().is_success() {
         println!("Host blocked. To unblock it, re-enroll the host.");