diff --git a/programs/playTests.sh b/programs/playTests.sh
index 3be4c777..6dafb630 100755
--- a/programs/playTests.sh
+++ b/programs/playTests.sh
@@ -139,22 +139,32 @@ $ECHO "\n**** dictionary tests **** "
 ./datagen -g1M | $MD5SUM > tmp1
 ./datagen -g1M | $ZSTD -D tmpDict | $ZSTD -D tmpDict -dvq | $MD5SUM > tmp2
 diff -q tmp1 tmp2
-$ECHO "Create first dictionary"
+$ECHO "- Create first dictionary"
 $ZSTD --train *.c -o tmpDict
 cp zstdcli.c tmp
 $ZSTD -f tmp -D tmpDict
 $ZSTD -d tmp.zst -D tmpDict -of result
 diff zstdcli.c result
-$ECHO "Create second (different) dictionary"
+$ECHO "- Create second (different) dictionary"
 $ZSTD --train *.c *.h -o tmpDictC
 $ZSTD -d tmp.zst -D tmpDictC -of result && die "wrong dictionary not detected!"
-$ECHO "Create dictionary with short dictID"
+$ECHO "- Create dictionary with short dictID"
 $ZSTD --train *.c --dictID 1 -o tmpDict1
 cmp tmpDict tmpDict1 && die "dictionaries should have different ID !"
-$ECHO "Compress without dictID"
+$ECHO "- Compress without dictID"
 $ZSTD -f tmp -D tmpDict1 --no-dictID
 $ZSTD -d tmp.zst -D tmpDict -of result
 diff zstdcli.c result
+$ECHO "- Compress multiple files with dictionary"
+cat *.c *.h | $MD5SUM > tmp1
+rm -rf dirTestDict
+mkdir dirTestDict
+cp *.c dirTestDict
+cp *.h dirTestDict
+$ZSTD -f dirTestDict/* -D tmpDictC
+$ZSTD -d dirTestDict/*.zst -D tmpDictC -c | $MD5SUM > tmp2
+diff -q tmp1 tmp2
+rm -rf dirTestDict
 rm tmp*