diff --git a/tcshrc.prompt.defs b/tcshrc.prompt.defs
index 82deb97..6481b87 100644
--- a/tcshrc.prompt.defs
+++ b/tcshrc.prompt.defs
@@ -101,8 +101,8 @@ set prompt_hsym=0
 
 set referencechars=()
 foreach ch ($referencechars_raw)
-    set unicode=`printf "\\u${ch}"`
-    set referencechars=( $referencechars `printf "${unicode}"` )
+    set unicode=`gprintf "\\u${ch}"`
+    set referencechars=( $referencechars `gprintf "${unicode}"` )
 end
 
 if( $CSHENV_SYSTEM == "Darwin" ) then
diff --git a/tcshrc.prompt.final b/tcshrc.prompt.final
index 8191a6b..1aa1694 100644
--- a/tcshrc.prompt.final
+++ b/tcshrc.prompt.final
@@ -281,9 +281,9 @@ if( 0 == ${__res} ) then
 
 
         # If the font doesn't support the special branch symbol... 
-        set branch_symbol=`printf "\uE0A0"`
+        set branch_symbol=`gprintf "\uE0A0"`
         # I could always fallback to this one... (keep padded spaces... for alignment)
-        set branch_symbol=`printf '\u2387\ \ '`
+        set branch_symbol=`gprintf '\u2387\ \ '`
         git rev-list --count --left-right \@\{upstream\}..HEAD>&/dev/null
         set __res=$?
         #echo "Got: ${git_counts}"