X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/c7aa48718fa2040788a757082e2c3d49b6f42fe7..0c7ac5073c24f01663fadc78b5112c86d52e4452:/test/prompter/test-prompter

diff --git a/test/prompter/test-prompter b/test/prompter/test-prompter
index 03f2f130..69eb9dd1 100755
--- a/test/prompter/test-prompter
+++ b/test/prompter/test-prompter
@@ -41,8 +41,8 @@ check $expected $actual
 # check -version
 case `prompter -v` in
   prompter\ --*) ;;
-  *           ) printf "$0: prompter -v generated unexpected output\n" >&2
-                failed=`expr ${failed:-0} + 1`;;
+  *            ) printf '%s: prompter -v generated unexpected output\n' "$0" >&2
+                 failed=`expr ${failed:-0} + 1`;;
 esac
 
 # check unknown switch