diff --git a/bellman/src/cs.rs b/bellman/src/cs.rs
index 9f68c7e..b1395fa 100644
--- a/bellman/src/cs.rs
+++ b/bellman/src/cs.rs
@@ -199,7 +199,7 @@ impl fmt::Display for SynthesisError {
             write!(f, "I/O error: ")?;
             e.fmt(f)
         } else {
-            write!(f, "{}", self.description())
+            write!(f, "{}", self.to_string())
         }
     }
 }
diff --git a/pairing/src/lib.rs b/pairing/src/lib.rs
index 14987eb..2d63956 100644
--- a/pairing/src/lib.rs
+++ b/pairing/src/lib.rs
@@ -310,7 +310,7 @@ impl fmt::Display for GroupDecodingError {
             GroupDecodingError::CoordinateDecodingError(description, ref err) => {
                 write!(f, "{} decoding error: {}", description, err)
             }
-            _ => write!(f, "{}", self.description()),
+            _ => write!(f, "{}", self.to_string()),
         }
     }
 }