diff --git a/repak/src/entry.rs b/repak/src/entry.rs
index 49f2185..2336185 100644
--- a/repak/src/entry.rs
+++ b/repak/src/entry.rs
@@ -176,7 +176,7 @@ impl Entry {
 
                 assert!(self.blocks.is_some());
                 let blocks = self.blocks.as_ref().unwrap();
-                if !blocks.len() == 1 || self.encrypted {
+                if blocks.len() > 1 || self.encrypted {
                     for b in blocks {
                         let block_size = b.end - b.start;
                         writer.write_u32::<LE>(block_size.try_into().unwrap())?;