diff --git a/testsuite/tests-to-run/test57.sh b/testsuite/tests-to-run/test57.sh
index 4d83bb65..84be02c4 100644
--- a/testsuite/tests-to-run/test57.sh
+++ b/testsuite/tests-to-run/test57.sh
@@ -8,6 +8,14 @@ parallel -k echo {//} {} ::: a.jpg a/b.jpg a/b/c.jpg
 parallel -k echo {//} {} ::: /a.jpg /a/b.jpg /a/b/c.jpg
 parallel -k echo {//} {} ::: ./a.jpg ./a/b.jpg ./a/b/c.jpg
 
+echo '### Test {1//}'
+parallel -k echo {1//} {} ::: a a/b a/b/c
+parallel -k echo {1//} {} ::: /a /a/b /a/b/c
+parallel -k echo {1//} {} ::: ./a ./a/b ./a/b/c
+parallel -k echo {1//} {} ::: a.jpg a/b.jpg a/b/c.jpg
+parallel -k echo {1//} {} ::: /a.jpg /a/b.jpg /a/b/c.jpg
+parallel -k echo {1//} {} ::: ./a.jpg ./a/b.jpg ./a/b/c.jpg
+
 echo '### Test --dnr'
 parallel --dnr II -k echo II {} ::: a a/b a/b/c
 
diff --git a/testsuite/wanted-results/test57 b/testsuite/wanted-results/test57
index 18111583..f66c232b 100644
--- a/testsuite/wanted-results/test57
+++ b/testsuite/wanted-results/test57
@@ -17,6 +17,25 @@ a/b a/b/c.jpg
 . ./a.jpg
 ./a ./a/b.jpg
 ./a/b ./a/b/c.jpg
+### Test {1//}
+. a
+a a/b
+a/b a/b/c
+/ /a
+/a /a/b
+/a/b /a/b/c
+. ./a
+./a ./a/b
+./a/b ./a/b/c
+. a.jpg
+a a/b.jpg
+a/b a/b/c.jpg
+/ /a.jpg
+/a /a/b.jpg
+/a/b /a/b/c.jpg
+. ./a.jpg
+./a ./a/b.jpg
+./a/b ./a/b/c.jpg
 ### Test --dnr
 . a
 a a/b