diff --git a/actix-http/src/header/shared/quality_item.rs b/actix-http/src/header/shared/quality_item.rs
index 764ef640..b98f1a6a 100644
--- a/actix-http/src/header/shared/quality_item.rs
+++ b/actix-http/src/header/shared/quality_item.rs
@@ -225,7 +225,7 @@ mod tests {
         }
     }
 
-    impl FromStr for Encoding {
+    impl str::FromStr for Encoding {
         type Err = crate::error::ParseError;
         fn from_str(s: &str) -> Result<Encoding, crate::error::ParseError> {
             use Encoding::*;