diff --git a/docs/release-notes.md b/docs/release-notes.md
index 43e720d5..12ebc662 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -12,6 +12,8 @@ Major changes:
 
 Minor changes:
 
+- Hetzner: fix duplicate attribute prefix
+
 Packaging changes:
 
 
diff --git a/src/providers/hetzner/mock_tests.rs b/src/providers/hetzner/mock_tests.rs
index 94d52a6f..79a16622 100644
--- a/src/providers/hetzner/mock_tests.rs
+++ b/src/providers/hetzner/mock_tests.rs
@@ -35,11 +35,11 @@ vendor_data: "blah blah blah""#
     );
 
     let expected = maplit::hashmap! {
-        "AFTERBURN_HETZNER_AVAILABILITY_ZONE".to_string() => availability_zone.to_string(),
-        "AFTERBURN_HETZNER_HOSTNAME".to_string() => hostname.to_string(),
-        "AFTERBURN_HETZNER_INSTANCE_ID".to_string() => instance_id.to_string(),
-        "AFTERBURN_HETZNER_PUBLIC_IPV4".to_string() => public_ipv4.to_string(),
-        "AFTERBURN_HETZNER_REGION".to_string() => region.to_string(),
+        "HETZNER_AVAILABILITY_ZONE".to_string() => availability_zone.to_string(),
+        "HETZNER_HOSTNAME".to_string() => hostname.to_string(),
+        "HETZNER_INSTANCE_ID".to_string() => instance_id.to_string(),
+        "HETZNER_PUBLIC_IPV4".to_string() => public_ipv4.to_string(),
+        "HETZNER_REGION".to_string() => region.to_string(),
     };
 
     // Fail on not found
diff --git a/src/providers/hetzner/mod.rs b/src/providers/hetzner/mod.rs
index 5a575f05..58f98465 100644
--- a/src/providers/hetzner/mod.rs
+++ b/src/providers/hetzner/mod.rs
@@ -112,17 +112,17 @@ impl From<HetznerMetadata> for HashMap<String, String> {
 
         add_value(
             &mut out,
-            "AFTERBURN_HETZNER_AVAILABILITY_ZONE",
+            "HETZNER_AVAILABILITY_ZONE",
             meta.availability_zone,
         );
-        add_value(&mut out, "AFTERBURN_HETZNER_HOSTNAME", meta.hostname);
+        add_value(&mut out, "HETZNER_HOSTNAME", meta.hostname);
         add_value(
             &mut out,
-            "AFTERBURN_HETZNER_INSTANCE_ID",
+            "HETZNER_INSTANCE_ID",
             meta.instance_id.map(|i| i.to_string()),
         );
-        add_value(&mut out, "AFTERBURN_HETZNER_PUBLIC_IPV4", meta.public_ipv4);
-        add_value(&mut out, "AFTERBURN_HETZNER_REGION", meta.region);
+        add_value(&mut out, "HETZNER_PUBLIC_IPV4", meta.public_ipv4);
+        add_value(&mut out, "HETZNER_REGION", meta.region);
 
         out
     }