diff --git a/Cargo.lock b/Cargo.lock
index 93cb2e2..f66b628 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1047,7 +1047,7 @@ checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "sabreur"
-version = "0.3.2"
+version = "0.3.3"
 dependencies = [
  "anyhow",
  "bio",
diff --git a/Cargo.toml b/Cargo.toml
index 26fe629..d512188 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sabreur"
-version = "0.3.2"
+version = "0.3.3"
 authors = ["Anicet Ebou <anicet.ebou@gmail.com>"]
 edition = "2018"
 exclude = ["CODE_OF_CONDUCT.md", "tests/*", "benches/*", ".github/*", ".cargo/*"]
diff --git a/src/main.rs b/src/main.rs
index f505c32..e4cf3d9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -372,7 +372,7 @@ fn main() -> Result<()> {
                 // Create unknown file
                 let mut unk_path = PathBuf::from("");
                 unk_path.push(output);
-                unk_path.push(format!("{}{}", "unknown.fa", ext));
+                unk_path.push(format!("{}{}", "unknown.fq", ext));
 
                 let future_unk_path = unk_path.clone();