diff --git a/tests/playTests.sh b/tests/playTests.sh
index 137f1a44..f50bc903 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -410,8 +410,8 @@ $ECHO "- Create first dictionary "
 TESTFILE=../programs/zstdcli.c
 $ZSTD --train *.c ../programs/*.c -o tmpDict
 cp $TESTFILE tmp
-$ECHO "- Compress dictionary with itself"
-$ZSTD -f tmpDict -D tmpDict | grep "cannot use" && die "expected error : cannot compress dictionary with itself"
+$ECHO "- Test dictionary compression with tmpDict as an input file and dictionary"
+$ZSTD -f tmpDict -D tmpDict&& die "compression error not detected!"
 $ECHO "- Dictionary compression roundtrip"
 $ZSTD -f tmp -D tmpDict
 $ZSTD -d tmp.zst -D tmpDict -fo result