diff --git a/tests/printf.in b/tests/printf.in
index 6f24ad565..ad6f10620 100644
--- a/tests/printf.in
+++ b/tests/printf.in
@@ -16,7 +16,7 @@ printf "%s\b%s\n" x y
 printf "abc\rdef\n"
 printf "Msg1\fMsg2\n"
 printf "foo\vbar\vbaz\n"
-printf "\111 \x50" # \u0051 \U00000052
+printf "\111 \x50 \u0051 \U00000052"
 
 echo
 echo "Test escapes"
diff --git a/tests/printf.out b/tests/printf.out
index d0524d3dc..20a7109b3 100644
--- a/tests/printf.out
+++ b/tests/printf.out
@@ -10,6 +10,6 @@ a hello
 abc
def
 Msg1Msg2
 foobarbaz
-I P
+I P Q R
 Test escapes
 a