diff --git a/src/serde/de.rs b/src/serde/de.rs
index 843c00d2..6b0b8a53 100644
--- a/src/serde/de.rs
+++ b/src/serde/de.rs
@@ -136,6 +136,7 @@ pub fn from_dynamic<'de, T: Deserialize<'de>>(
 impl Error for Box<EvalAltResult> {
     fn custom<T: fmt::Display>(err: T) -> Self {
         EvalAltResult::ErrorParsing(ParseErrorType::BadInput(err.to_string()), Position::none())
+            .into()
     }
 }
 
diff --git a/src/serde/ser.rs b/src/serde/ser.rs
index 1f0d153d..e13e22ec 100644
--- a/src/serde/ser.rs
+++ b/src/serde/ser.rs
@@ -99,7 +99,7 @@ pub fn to_dynamic<T: Serialize>(value: T) -> Result<Dynamic, Box<EvalAltResult>>
 
 impl Error for Box<EvalAltResult> {
     fn custom<T: fmt::Display>(err: T) -> Self {
-        EvalAltResult::ErrorRuntime(err.to_string(), Position::none())
+        EvalAltResult::ErrorRuntime(err.to_string(), Position::none()).into()
     }
 }