diff --git a/basename/basename.rs b/basename/basename.rs
index 4d0194844..f46b6cdfe 100644
--- a/basename/basename.rs
+++ b/basename/basename.rs
@@ -62,13 +62,13 @@ pub fn uumain(args: Vec<String>) -> int {
     if args.len() < 2 {
         println!("{}: {}", program, "missing operand");
         println!("Try '{} --help' for more information.", program);
-        return 0;
+        return 1;
     }
     // too many arguments
     else if args.len() > 3 {
         println!("{}: extra operand '{}'", program, args.get(3));
         println!("Try '{} --help' for more information.", program);
-        return 0;
+        return 1;
     }
 
     //
diff --git a/dirname/dirname.rs b/dirname/dirname.rs
index a4f23430b..faa5c74fd 100644
--- a/dirname/dirname.rs
+++ b/dirname/dirname.rs
@@ -66,6 +66,7 @@ directory).", opts).as_slice());
     } else {
         println!("{0:s}: missing operand", program);
         println!("Try '{0:s} --help' for more information.", program);
+        return 1;
     }
 
     0
diff --git a/env/env.rs b/env/env.rs
index f2434974d..677833fd8 100644
--- a/env/env.rs
+++ b/env/env.rs
@@ -114,7 +114,7 @@ pub fn uumain(args: Vec<String>) -> int {
                 _ => {
                     println!("{:s}: invalid option \"{:s}\"", prog, *opt);
                     println!("Type \"{:s} --help\" for detailed informations", prog);
-                    return 0;
+                    return 1;
                 }
             }
         } else if opt.as_slice().starts_with("-") {
@@ -146,7 +146,7 @@ pub fn uumain(args: Vec<String>) -> int {
                     _ => {
                         println!("{:s}: illegal option -- {:c}", prog, c);
                         println!("Type \"{:s} --help\" for detailed informations", prog);
-                        return 0;
+                        return 1;
                     }
                 }
             }
diff --git a/head/head.rs b/head/head.rs
index 37adad266..670c988aa 100644
--- a/head/head.rs
+++ b/head/head.rs
@@ -46,7 +46,7 @@ pub fn uumain(args: Vec<String>) -> int {
         Ok (m) => { m }
         Err(_) => {
             println!("{:s}", usage(PROGRAM, possible_options));
-            return 0;
+            return 1;
         }
     };
 
diff --git a/id/id.rs b/id/id.rs
index e75ba70a2..a3a4c01b9 100644
--- a/id/id.rs
+++ b/id/id.rs
@@ -105,7 +105,7 @@ pub fn uumain(args: Vec<String>) -> int {
         Ok(m) => { m },
         Err(_) => {
             println!("{:s}", usage(NAME, options));
-            return 0;
+            return 1;
         }
     };
 
diff --git a/sync/sync.rs b/sync/sync.rs
index 6b71538a9..cb14d69c0 100644
--- a/sync/sync.rs
+++ b/sync/sync.rs
@@ -33,7 +33,7 @@ pub fn uumain(args: Vec<String>) -> int {
 
     let matches = match getopts(args.tail(), options) {
         Ok(m) => { m }
-        _ => { help(program.as_slice(), options); return 0 }
+        _ => { help(program.as_slice(), options); return 1 }
     };
 
     if matches.opt_present("h") {
diff --git a/touch/touch.rs b/touch/touch.rs
index 6bad044cb..fe53c5821 100644
--- a/touch/touch.rs
+++ b/touch/touch.rs
@@ -59,6 +59,9 @@ pub fn uumain(args: Vec<String>) -> int {
         println!("");
         println!("{:s}", getopts::usage("Update the access and modification times of \
                                          each FILE to the current time.", opts));
+        if matches.free.is_empty() {
+            return 1;
+        }
         return 0;
     }