diff --git a/src/ls/ls.rs b/src/ls/ls.rs
index c3803cbfc..cebc60156 100644
--- a/src/ls/ls.rs
+++ b/src/ls/ls.rs
@@ -164,7 +164,9 @@ fn cstr2string(cstr: *const c_char) -> String {
     unsafe { String::from_utf8_lossy(CStr::from_ptr(cstr).to_bytes()).to_string() }
 }
 
-#[cfg(target_family = "unix")]
+// Currently getpwuid is `linux` target only. If it's broken out into
+// a posix-compliant attribute this can be updated...
+#[cfg(target_family = "linux")]
 fn display_uname(metadata: &Metadata) -> String {
     use std::os::unix::fs::MetadataExt;
 
@@ -176,7 +178,7 @@ fn display_uname(metadata: &Metadata) -> String {
     }
 }
 
-#[cfg(target_family = "unix")]
+#[cfg(target_family = "linux")]
 fn display_group(metadata: &Metadata) -> String {
     use std::os::unix::fs::MetadataExt;
 
@@ -188,13 +190,13 @@ fn display_group(metadata: &Metadata) -> String {
     }
 }
 
-#[cfg(target_family = "windows")]
+#[cfg(not(target_family = "linux"))]
 #[allow(unused_variables)]
 fn display_uname(metadata: &Metadata) -> String {
     "somebody".to_string()
 }
 
-#[cfg(target_family = "windows")]
+#[cfg(not(target_family = "linux"))]
 #[allow(unused_variables)]
 fn display_group(metadata: &Metadata) -> String {
     "somegroup".to_string()