1 files changed, 8 insertions, 0 deletions
diff --git a/crates/shirabe/src/plugin/plugin_blocked_exception.rs b/crates/shirabe/src/plugin/plugin_blocked_exception.rs
index b8f2301..b554b13 100644
--- a/crates/shirabe/src/plugin/plugin_blocked_exception.rs
+++ b/crates/shirabe/src/plugin/plugin_blocked_exception.rs
@@ -4,3 +4,11 @@ use shirabe_php_shim::UnexpectedValueException;
 
 // TODO(plugin): PluginBlockedException is a part of Plugin API.
 pub struct PluginBlockedException(pub UnexpectedValueException);
+
+impl std::fmt::Display for PluginBlockedException {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.0.fmt(f)
+    }
+}
+
+impl std::error::Error for PluginBlockedException {}