diff --git a/CHANGELOG.md b/CHANGELOG.md
index 097a793..3c6e3ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ file. This change log follows the conventions of
 - The internal implementation of `H100Handler`'s `get_child_device_list` has been updated to fetch all pages, not just the first one.
 - `H100Handler`'s `get_child_device_list_json` now includes a `start_index` parameter to fetch child devices starting from a specific index.
 
+#### Fixed
+
+- Resolved an issue that caused the passthrough protocol test to incorrectly indicate support when it was not actually supported. (thanks to @WhySoBad)
+
 ### Python
 
 #### Changed
@@ -24,6 +28,10 @@ file. This change log follows the conventions of
 - The internal implementation of `H100Handler`'s `get_child_device_list` has been updated to fetch all pages, not just the first one.
 - `H100Handler`'s `get_child_device_list_json` now includes a `start_index` parameter to fetch child devices starting from a specific index.
 
+#### Fixed
+
+- Resolved an issue that caused the passthrough protocol test to incorrectly indicate support when it was not actually supported. (thanks to @WhySoBad)
+
 ## [v0.8.0][v0.8.0] - 2024-12-07
 
 This marks the first unified release of the Rust and Python libraries. Moving forward, both libraries will be released simultaneously and will share the same version number.
diff --git a/tapo/src/api/protocol/discovery_protocol.rs b/tapo/src/api/protocol/discovery_protocol.rs
index 0c0b989..a2ef780 100644
--- a/tapo/src/api/protocol/discovery_protocol.rs
+++ b/tapo/src/api/protocol/discovery_protocol.rs
@@ -1,4 +1,4 @@
-use log::debug;
+use log::{debug, warn};
 use reqwest::Client;
 
 use crate::api::protocol::klap_protocol::KlapProtocol;
@@ -34,14 +34,14 @@ impl DiscoveryProtocol {
     }
 
     async fn is_passthrough_supported(&self, url: &str) -> Result<bool, Error> {
-        if let Err(Error::Tapo(TapoResponseError::Unknown(code))) = self.test_passthrough(url).await
-        {
-            if code == 1003 {
-                return Ok(false);
+        match self.test_passthrough(url).await {
+            Err(Error::Tapo(TapoResponseError::Unknown(code))) => Ok(code != 1003),
+            Err(err) => {
+                warn!("Passthrough protocol test error: {err:?}");
+                Err(err)
             }
+            Ok(_) => Ok(true),
         }
-
-        Ok(true)
     }
 
     async fn test_passthrough(&self, url: &str) -> Result<(), Error> {