diff --git a/Cargo.lock b/Cargo.lock
index e9243c55b54..0e83c077035 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1010,9 +1010,9 @@ checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
 [[package]]
 name = "half"
-version = "2.3.1"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc52e53916c08643f1b56ec082790d1e86a32e58dc5268f897f313fbae7b4872"
+checksum = "b5eceaaeec696539ddaf7b333340f1af35a5aa87ae3e4f3ead0532f72affab2e"
 dependencies = [
  "cfg-if",
  "crunchy",
diff --git a/Cargo.toml b/Cargo.toml
index 0bc33644f5f..487da295489 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -284,7 +284,7 @@ fts-sys = "0.2"
 fundu = "2.0.0"
 gcd = "2.3"
 glob = "0.3.1"
-half = "2.3"
+half = "2.4"
 hostname = "0.3"
 indicatif = "0.17"
 itertools = "0.12.1"
diff --git a/src/uu/chmod/src/chmod.rs b/src/uu/chmod/src/chmod.rs
index 31663b1af9c..3c387b5f8ee 100644
--- a/src/uu/chmod/src/chmod.rs
+++ b/src/uu/chmod/src/chmod.rs
@@ -101,7 +101,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     let recursive = matches.get_flag(options::RECURSIVE);
     let fmode = match matches.get_one::<String>(options::REFERENCE) {
         Some(fref) => match fs::metadata(fref) {
-            Ok(meta) => Some(meta.mode()),
+            Ok(meta) => Some(meta.mode() & 0o7777),
             Err(err) => {
                 return Err(USimpleError::new(
                     1,
diff --git a/tests/by-util/test_chmod.rs b/tests/by-util/test_chmod.rs
index be730a8c0ad..35197f85ee4 100644
--- a/tests/by-util/test_chmod.rs
+++ b/tests/by-util/test_chmod.rs
@@ -645,6 +645,20 @@ fn test_quiet_n_verbose_used_multiple_times() {
         .succeeds();
 }
 
+#[test]
+fn test_changes_from_identical_reference() {
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+    at.touch("file");
+    scene
+        .ucmd()
+        .arg("-c")
+        .arg("--reference=file")
+        .arg("file")
+        .succeeds()
+        .no_stdout();
+}
+
 #[test]
 fn test_gnu_invalid_mode() {
     let scene = TestScenario::new(util_name!());
diff --git a/tests/by-util/test_uniq.rs b/tests/by-util/test_uniq.rs
index 7ebc5c482e9..8b791e6c0c8 100644
--- a/tests/by-util/test_uniq.rs
+++ b/tests/by-util/test_uniq.rs
@@ -755,7 +755,7 @@ fn gnu_tests() {
         TestCase {
             name: "112",
             args: &["-D", "-c"],
-            input: "a a\na b\n",
+            input: "", // Note: Different from GNU test, but should not matter
             stdout: Some(""),
             stderr: Some("uniq: printing all duplicated lines and repeat counts is meaningless\nTry 'uniq --help' for more information.\n"),
             exit: Some(1),
@@ -811,7 +811,7 @@ fn gnu_tests() {
         TestCase {
             name: "119",
             args: &["--all-repeated=badoption"],
-            input: "a a\na b\n",
+            input: "", // Note: Different from GNU test, but should not matter
             stdout: Some(""),
             stderr: Some("uniq: invalid argument 'badoption' for '--all-repeated'\nValid arguments are:\n  - 'none'\n  - 'prepend'\n  - 'separate'\nTry 'uniq --help' for more information.\n"),
             exit: Some(1),