diff --git a/parsers/src/data_forms/validate.rs b/parsers/src/data_forms/validate.rs
index 58e16318..c4f5db02 100644
--- a/parsers/src/data_forms/validate.rs
+++ b/parsers/src/data_forms/validate.rs
@@ -108,13 +108,13 @@ impl Display for DatatypeError {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         match self {
             DatatypeError::MissingPrefix { input } => {
-                write!(f, "Missing prefix in validation datatype '{input}'.")
+                write!(f, "Missing prefix in validation datatype {input:?}.")
             }
             DatatypeError::InvalidType { input } => {
-                write!(f, "Invalid validation datatype '{input}'.")
+                write!(f, "Invalid validation datatype {input:?}.")
             }
             DatatypeError::UnknownType { input } => {
-                write!(f, "Unknown validation datatype '{input}'.")
+                write!(f, "Unknown validation datatype {input:?}.")
             }
         }
     }