diff --git a/pkstrings/src/lib.rs b/pkstrings/src/lib.rs
index e710771..52754e8 100644
--- a/pkstrings/src/lib.rs
+++ b/pkstrings/src/lib.rs
@@ -147,13 +147,7 @@ impl TryFrom<&str> for PKString {
     type Error = Error;
 
     fn try_from(data: &str) -> Result<PKString, Error> {
-        for chr in data.chars() {
-            if ! STRTOHEX.contains_key(&chr) {
-                return Err(Error::InvalidCharacter);
-            }
-        }
-
-        Ok(PKString(String::from(data)))
+        PKString::try_from(String::from(data))
     }
 }