diff --git a/Cargo.toml b/Cargo.toml
index f1ebd79c5..0335ec6fb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ bio-types = ">=0.9"
 byteorder = "1.3"
 custom_derive = "0.1"
 derive-new = "0.5"
-hts-sys = {version = "2.1.3", default-features = false}
+hts-sys = {version = "2.1.3", default-features = false, features = ["bindgen"]}
 ieee754 = "0.2"
 lazy_static = "1.4"
 libc = "0.2"
diff --git a/src/bam/mod.rs b/src/bam/mod.rs
index fad5cb1a1..f232401e5 100644
--- a/src/bam/mod.rs
+++ b/src/bam/mod.rs
@@ -1392,9 +1392,9 @@ impl HeaderView {
                 header_string.len(),
             );
 
-            let rec = htslib::sam_hdr_parse((l_text + 1) as u64, text as *const c_char);
+            let rec = htslib::sam_hdr_parse((l_text + 1), text as *const c_char);
             (*rec).text = text as *mut c_char;
-            (*rec).l_text = l_text as u64;
+            (*rec).l_text = l_text;
             rec
         };