diff --git a/src/tags/master_playlist/media.rs b/src/tags/master_playlist/media.rs
index f43e73f..f1906e8 100644
--- a/src/tags/master_playlist/media.rs
+++ b/src/tags/master_playlist/media.rs
@@ -127,12 +127,11 @@ impl ExtXMediaBuilder {
             return Err(Error::unexpected_attribute("INSTREAM-ID").to_string());
         }
 
-        if self.is_default.unwrap_or(false) && !self.is_autoselect.unwrap_or(false) {
-            return Err(Error::custom(format!(
-                "If `DEFAULT` is true, `AUTOSELECT` has to be true too, Default: {:?}, Autoselect: {:?}!",
-                self.is_default, self.is_autoselect
-            ))
-            .to_string());
+        if self.is_default.unwrap_or(false) && !self.is_autoselect.unwrap_or(true) {
+            return Err(
+                Error::custom("If `DEFAULT` is true and `AUTOSELECT` is present, \
+                               `AUTOSELECT` has to be true too!").to_string(),
+            );
         }
 
         if media_type != MediaType::Subtitles && self.is_forced.is_some() {