diff --git a/src/bin/tar.rs b/src/bin/tar.rs
index 2d9984403e7c64b4b9da120be8eaad4ab3e9558c..2e5966d678055f0d99ca6f05b3a88c01fac9bc81 100644
--- a/src/bin/tar.rs
+++ b/src/bin/tar.rs
@@ -100,7 +100,7 @@ fn extract_inner<T: Read>(ar: &mut Archive<T>, verbose: bool, strip: usize) -> R
                             .write(true)
                             .truncate(true)
                             .create(true)
-                            .mode(entry.header().mode().unwrap_or(644))
+                            .mode(entry.header().mode().unwrap_or(0o644))
                             .open(&path)?
                     };
                     copy(&mut entry, &mut file)?;