diff --git a/src/runtime2/error.rs b/src/runtime2/error.rs
index eb765640db1b8aed849b581f5b402c03c20e6105..4982a3230d43bbb8dcfe4f2fc31913b84b98a46b 100644
--- a/src/runtime2/error.rs
+++ b/src/runtime2/error.rs
@@ -28,14 +28,14 @@ impl Display for RtError {
     fn fmt(&self, f: &mut FmtFormatter<'_>) -> FmtResult {
         let mut error = self;
         loop {
-            write!(f, "[{}:{}] {}", self.file, self.line, self.message).unwrap();
+            write!(f, "[{}:{}] {}", self.file, self.line, self.message)?;
             match &error.cause {
                 Some(cause) => {
-                    writeln!(f, " ...");
+                    writeln!(f, " ...")?;
                     error = cause.as_ref()
                 },
                 None => {
-                    writeln!(f).unwrap();
+                    writeln!(f)?;
                 },
             }
         }