diff --git a/src/uu/stty/src/flags.rs b/src/uu/stty/src/flags.rs
index d25936628d2..ed38c067de1 100644
--- a/src/uu/stty/src/flags.rs
+++ b/src/uu/stty/src/flags.rs
@@ -78,7 +78,7 @@ pub const INPUT_FLAGS: &[Flag<I>] = &[
     // Flag::new("iuclc", I::IUCLC),
     #[cfg(not(target_os = "redox"))]
     Flag::new("ixany", I::IXANY),
-    #[cfg(not(target_os = "redox"))]
+    #[cfg(not(any(target_os = "haiku", target_os = "redox")))]
     Flag::new("imaxbel", I::IMAXBEL).sane(),
     #[cfg(any(target_vendor = "apple", target_os = "android", target_os = "linux"))]
     Flag::new("iutf8", I::IUTF8),
@@ -245,7 +245,7 @@ pub const LOCAL_FLAGS: &[Flag<L>] = &[
     Flag::new("crtkill", L::ECHOKE).sane().hidden(),
     #[cfg(not(target_os = "redox"))]
     Flag::new("flusho", L::FLUSHO),
-    #[cfg(not(any(target_os = "cygwin", target_os = "redox")))]
+    #[cfg(not(any(target_os = "cygwin", target_os = "haiku", target_os = "redox")))]
     Flag::new("extproc", L::EXTPROC),
 ];
 
@@ -275,6 +275,7 @@ pub const BAUD_RATES: &[(&str, BaudRate)] = &[
     #[cfg(not(any(
         target_os = "cygwin",
         target_os = "fuchsia",
+        target_os = "haiku",
         target_os = "hurd",
         target_os = "redox"
     )))]
@@ -287,6 +288,7 @@ pub const BAUD_RATES: &[(&str, BaudRate)] = &[
     #[cfg(not(any(
         target_os = "cygwin",
         target_os = "fuchsia",
+        target_os = "haiku",
         target_os = "hurd",
         target_os = "redox"
     )))]
@@ -349,12 +351,16 @@ pub const CONTROL_CHARS: &[(&str, S)] = &[
     // Sends a suspend signal (SIGTSTP).
     ("susp", S::VSUSP),
     // Reprints the current line.
+    #[cfg(not(target_os = "haiku"))]
     ("rprnt", S::VREPRINT),
     // Deletes the last word typed.
+    #[cfg(not(target_os = "haiku"))]
     ("werase", S::VWERASE),
     // Enters literal mode (next character is taken literally).
+    #[cfg(not(target_os = "haiku"))]
     ("lnext", S::VLNEXT),
     // Discards the current line.
+    #[cfg(not(target_os = "haiku"))]
     ("discard", S::VDISCARD),
 ];
 
diff --git a/src/uu/stty/src/stty.rs b/src/uu/stty/src/stty.rs
index 4a54d7d4de2..ed96c8b902d 100644
--- a/src/uu/stty/src/stty.rs
+++ b/src/uu/stty/src/stty.rs
@@ -45,18 +45,22 @@ use flags::{CONTROL_CHARS, CONTROL_FLAGS, INPUT_FLAGS, LOCAL_FLAGS, OUTPUT_FLAGS
 const ASCII_DEL: u8 = 127;
 
 // Sane defaults for control characters.
-const SANE_CONTROL_CHARS: [(S, u8); 12] = [
-    (S::VINTR, 3),     // ^C
-    (S::VQUIT, 28),    // ^\
-    (S::VERASE, 127),  // DEL
-    (S::VKILL, 21),    // ^U
-    (S::VEOF, 4),      // ^D
-    (S::VSTART, 17),   // ^Q
-    (S::VSTOP, 19),    // ^S
-    (S::VSUSP, 26),    // ^Z
+const SANE_CONTROL_CHARS: &[(S, u8)] = &[
+    (S::VINTR, 3),    // ^C
+    (S::VQUIT, 28),   // ^\
+    (S::VERASE, 127), // DEL
+    (S::VKILL, 21),   // ^U
+    (S::VEOF, 4),     // ^D
+    (S::VSTART, 17),  // ^Q
+    (S::VSTOP, 19),   // ^S
+    (S::VSUSP, 26),   // ^Z
+    #[cfg(not(target_os = "haiku"))]
     (S::VREPRINT, 18), // ^R
-    (S::VWERASE, 23),  // ^W
-    (S::VLNEXT, 22),   // ^V
+    #[cfg(not(target_os = "haiku"))]
+    (S::VWERASE, 23), // ^W
+    #[cfg(not(target_os = "haiku"))]
+    (S::VLNEXT, 22), // ^V
+    #[cfg(not(target_os = "haiku"))]
     (S::VDISCARD, 15), // ^O
 ];
 
@@ -1026,9 +1030,13 @@ fn combo_to_flags(combo: &str) -> Vec<ArgOptions<'_>> {
             (S::VSTART, "^Q"),
             (S::VSTOP, "^S"),
             (S::VSUSP, "^Z"),
+            #[cfg(not(target_os = "haiku"))]
             (S::VREPRINT, "^R"),
+            #[cfg(not(target_os = "haiku"))]
             (S::VWERASE, "^W"),
+            #[cfg(not(target_os = "haiku"))]
             (S::VLNEXT, "^V"),
+            #[cfg(not(target_os = "haiku"))]
             (S::VDISCARD, "^O"),
         ],
         _ => &[],
@@ -1084,16 +1092,11 @@ fn combo_to_flags(combo: &str) -> Vec<ArgOptions<'_>> {
 }
 
 fn get_sane_control_char(cc_index: S) -> u8 {
-    for (sane_index, sane_val) in SANE_CONTROL_CHARS {
-        if sane_index == cc_index {
-            return sane_val;
-        }
-    }
-    // Default values for control chars not in the sane list
-    match cc_index {
-        S::VMIN => 1,
-        _ => 0,
-    }
+    SANE_CONTROL_CHARS
+        .iter()
+        .copied()
+        .find_map(|(i, v)| (i == cc_index).then_some(v))
+        .unwrap_or(u8::from(cc_index == S::VMIN))
 }
 
 pub fn uu_app() -> Command {