diff --git a/bin/headlessvnc b/bin/headlessvnc
index 7c0b00e..ae7dba1 100755
--- a/bin/headlessvnc
+++ b/bin/headlessvnc
@@ -13,7 +13,10 @@ echobf() {
 
 # Print an error message
 print_error() {
-    >&2 { printf '\033[1;31m%s\033[0m ' "ERROR:"; echobf "$*" }
+    (
+        printf '\033[1;31m%s\033[0m ' "ERROR:"
+        echobf "$*"
+    ) > /dev/stderr
 }
 
 # Print an error and exit
@@ -36,7 +39,7 @@ public_help() {
 ${name} - Start a VNC server
 
 Usage:
-    ${name} $(echo "$verbs" | sed 's/ /|/g')
+    ${name} ${verbs// /|}
 EOF
 }
 
@@ -97,6 +100,6 @@ fi
 if echo "$verbs" | grep -q "$arg"; then
     "public_${arg}"
 else
-    error_usage
+    error_help
 fi