diff --git a/biology/coverm/files/patch-cargo-crates_rust-htslib-0.44.1_src_bam_record.rs b/biology/coverm/files/patch-cargo-crates_rust-htslib-0.44.1_src_bam_record.rs
new file mode 100644
index 000000000000..04465b46c6d1
--- /dev/null
+++ b/biology/coverm/files/patch-cargo-crates_rust-htslib-0.44.1_src_bam_record.rs
@@ -0,0 +1,20 @@
+--- cargo-crates/rust-htslib-0.44.1/src/bam/record.rs.orig	2024-12-26 16:34:58 UTC
++++ cargo-crates/rust-htslib-0.44.1/src/bam/record.rs
+@@ -2216,7 +2216,7 @@ pub struct BaseModificationMetadata {
+ pub struct BaseModificationMetadata {
+     pub strand: i32,
+     pub implicit: i32,
+-    pub canonical: i8,
++    pub canonical: c_char,
+ }
+ 
+ /// struct containing the internal state required to access
+@@ -2314,7 +2314,7 @@ impl BaseModificationState<'_> {
+         unsafe {
+             let mut strand: i32 = 0;
+             let mut implicit: i32 = 0;
+-            let mut canonical: i8 = 0;
++            let mut canonical: c_char = 0;
+ 
+             let ret = hts_sys::bam_mods_query_type(
+                 self.state,