diff --git a/src/parse/parser.rs b/src/parse/parser.rs
index abf6060..8cd1257 100644
--- a/src/parse/parser.rs
+++ b/src/parse/parser.rs
@@ -12,6 +12,8 @@ fn decimal_err_into_str(err: Error) -> &'static str {
             "precision necessary to represent exceeds the maximum possible"
         }
         Error::ErrorString(_) => "cannot parse as decimal (unable to display root cause)",
+        Error::Underflow => "cannot parse as decimal (unable to display root cause)",
+        Error::ConversionTo(_) => "cannot parse as decimal (unable to display root cause)",
     }
 }